JP4256135B2 - transceiver - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wireless device.
[0002]
[Prior art]
Some conventional wireless devices can perform wireless communication with other wireless devices using a repeater that is a wireless repeater (see, for example, Patent Document 1).
[0003]
FIG. 6 is a block diagram showing a configuration example of such a conventional radio.
[0004]
In the conventional radio shown in FIG. 6, in response to a user operation on the channel switching unit 101 and a user operation on the group switching unit 102, the control unit 109 detects the channel and group selected by the user, and The channel number and group number are stored in the channel data memory 103 and displayed on the display means 104. Then, the control unit 109 gives an operation instruction to the hardware control unit 105 to control the transmission circuit 106, the reception circuit 107, and the power supply circuit 108, and wireless communication with other wireless devices and repeaters using the channel number and group number. To do.
[0005]
FIG. 7 is a diagram for explaining the use of a repeater by a conventional wireless device. 7, wireless devices 201A and 202A are conventional wireless devices as described above, and are wireless devices that can access the repeater 301A by a certain access method (hereinafter referred to as access method A). 202B is a conventional wireless device as described above, and is a wireless device that can access the repeater 301B by some other access method (hereinafter referred to as access method B).
[0006]
Conventionally, as shown in FIG. 7, there are a plurality of repeaters having different access methods. Therefore, it is difficult for the wireless device 201A that can access the repeater 301A by the access method A to access the repeater 301B, and the wireless device 201B that can access the repeater 301B by the access method B can access the repeater 301A. Have difficulty. Therefore, in order to communicate with other wireless devices using a plurality of repeaters having different access methods, it is necessary to use a plurality of wireless devices 201A and 201B (202A and 202B) corresponding to the respective access methods. .
[0007]
[Patent Document 1]
Japanese Patent No. 2665132 (FIG. 1, prior art column)
[0008]
[Problems to be solved by the invention]
However, when a plurality of wireless devices 201A and 201B are used, there is a problem that the volume occupied by all the wireless devices becomes large and the equipment cost becomes high. Further, the conventional wireless device has a problem that when accessing a repeater, it is necessary to perform wireless communication settings such as a channel and a group according to the repeater to be used.
[0009]
The present invention has been made in view of the above problems, and an object of the present invention is to obtain a wireless device that can access a repeater of a specific access method and communicate with a specific wireless communication setting with a simple operation.
[0010]
In order to solve the above-described problem, the wireless device of the present invention can hold a plurality of repeaters and channel numbers corresponding to a designated code, and can select one of the designated codes held in accordance with an operation by a user. The tone sent from the repeater to the busy state after the tone signal is transmitted, and the tone signal is transmitted to the repeater according to the selection means for selecting the specified code and the repeater corresponding to the specified code. The signal is detected, and the confirmation method sent from the partner station after detection detects the access method that establishes a link with the partner station, or the tone signal is sent to the repeater, and when the busy signal is off after the tone signal is transmitted, the repeater Sent to the other station Regardless of whether the other station has detected the tone signal, voice transmission is started, and when the other station detects the tone signal, the other station With the access method that enables reception, each repeater can be accessed, the repeater and channel number corresponding to the designated code selected by the selection means are specified, and the repeater is accessed with the access method corresponding to the specified repeater, Wireless communication means for performing wireless communication with the identified channel number.
[0011]
In addition to the wireless device of the above invention, the wireless device of the present invention includes: A memory for storing wireless communication setting information including a channel number corresponding to a call number which is a currently selected designation code; The wireless communication means identifies the repeater, channel number, and group number corresponding to the designated code selected by the selection means, accesses the repeater with the access method corresponding to the identified repeater, and uses the identified channel number and group number. Wireless communication is performed.
[0012]
Further, in the radio of the present invention, in addition to any of the radios of the above invention, the radio communication means specifies and specifies a repeater, a channel number, and a selective call code corresponding to the designation code selected by the selection means. The repeater is accessed by an access method corresponding to the repeater, and wireless communication is performed using the specified channel number and selective call code.
[0013]
According to the radio of the present invention, in addition to any of the radios of the above invention, the selection means may select one of a repeater access designation code and a simplex mode designation code in accordance with a user operation. When a designated code is selected and the wireless communication means selects a designated code for repeater access by the selecting means, the repeater and channel number corresponding to the designated code are identified, and access corresponding to the identified repeater is performed. The repeater is accessed by the method, wireless communication is performed with the specified channel number, and when the designation code for the simplex mode is selected by the selection means, the channel number corresponding to the designated code is identified, and the identified channel Wireless communication is performed using numbers.
[0014]
Further, in addition to any of the wireless devices of the invention described above, the wireless device of the present invention, when the wireless communication means selects a designated code for repeater access by the selecting means, a repeater corresponding to the designated code, The channel number and group number are specified, the repeater is accessed with the access method corresponding to the specified repeater, wireless communication is performed with the specified channel number and group number, and the designation code for the simplex mode is selected by the selection means In this case, a channel number and a group number corresponding to the designated code are specified, and wireless communication is performed using the specified channel number and group number.
[0015]
Further, in addition to any of the wireless devices of the invention described above, the wireless device of the present invention, when the wireless communication means selects a designated code for repeater access by the selecting means, a repeater corresponding to the designated code, Specify the channel number and selective call code, access the repeater with the access method corresponding to the specified repeater, perform wireless communication with the specified channel number and selective call code, and select the designation code for simplex mode by the selection means In such a case, the channel number and the selective call code corresponding to the designated code are specified, and wireless communication is performed using the specified channel number and the selective call code.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0017]
FIG. 1 is a block diagram showing a configuration of a radio apparatus according to an embodiment of the present invention. In FIG. 1, a call number switching means 1 is a device that outputs a signal corresponding to an operation by a user when a call number is selected. As the call number switching means 1, for example, a switch such as a toggle switch, a tact switch, and a slide switch is used.
[0018]
The channel data memory 2 is a memory for storing wireless communication setting information such as a channel number and a group number corresponding to the currently selected call number. Note that the channel number is a number that identifies the frequency band that this radio uses for radio communication, and the group number is a number assigned to each group, and only radios that belong to a specific group as communication partners. It is a number used to limit to.
[0019]
For the channel data memory 2, for example, a RAM is used. However, when the wireless communication setting information is used at the next use of the wireless device, a non-volatile memory is used as the channel data memory 2. The channel data memory 2 may further store repeater information corresponding to the currently selected call number.
[0020]
The display means 3 is a device that displays the currently selected call number. As the display means 3, a liquid crystal display, an indicator using a light emitting diode, or the like is used.
[0021]
The hardware control means 4 is a circuit for controlling internal circuits having various functions such as a transmission circuit 5, a reception circuit 6, and a power supply circuit 7.
[0022]
The transmission circuit 5 is a circuit that modulates a carrier wave with a transmission signal based on a predetermined modulation method, power-amplifies the obtained modulation signal, and transmits the signal as a radio wave from an antenna.
[0023]
The receiving circuit 6 is a circuit that demodulates the modulation signal sensed by the antenna by a predetermined demodulation method and receives transmission signals from other radio devices and repeaters.
[0024]
The power supply circuit 7 is a circuit that supplies power from an unshown battery or other power source to the internal circuit.
[0025]
Further, the control means 8 specifies a channel number corresponding to the call number based on a signal corresponding to a user operation on the call number switching means 1 when the call number is selected, and according to the specified channel number or the like. These are circuits for supplying an operation command to the hardware control means 4 and for controlling the display state of the display means 3. Further, the control means 8 specifies the group number corresponding to the selected call number, the use / non-use of the repeater, the type of repeater when the repeater is used, and the like together with the channel number, and the specified group number and repeater An operation command is supplied to the hardware control means 4 in accordance with use / non-use, the type of repeater when the repeater is used, and the like. The control means 8 can be realized as, for example, a CPU or a sequencer that executes a control program.
[0026]
Note that the call number switching unit 1 and the control unit 8 function as a selection unit that selects one or a plurality of predetermined call numbers in accordance with a user operation.
[0027]
Further, the hardware control means 4, the transmission circuit 5 and the reception circuit 6 identify the repeater and channel number corresponding to the call number selected by the call number switching means 1 and control means 8, and correspond to the identified repeater. It functions as a wireless communication means for accessing the repeater by the access method and performing wireless communication using the specified channel number.
[0028]
Next, the operation of the above apparatus will be described.
[0029]
First, when the wireless device is activated, the control unit 8 selects a call number selected last time or a predetermined call number, and causes the display unit 3 to display the call number. In addition, when the call number switching means 1 is operated by the user and a certain call number is selected, the control means 8 displays the call number on the display means 3, and the channel number and group number corresponding to the call number. , Use / non-use of repeater, and type of repeater when using repeater. The channel number, group number, repeater type, etc., which are the specified wireless communication settings, are stored in the channel data memory 2.
[0030]
Then, the control unit 8 supplies an operation command based on the specified wireless communication setting to the hardware control unit 4 in accordance with an operation by the user. The hardware control unit 4 appropriately controls the transmission circuit 5, the reception circuit 6 and the power supply circuit 7 in accordance with an operation command from the control unit 8, and performs radio communication with other radio units or accesses a repeater. Wireless communication with other wireless devices is performed via a repeater. At that time, for example, the transmission circuit 5 transmits a tone signal having a frequency corresponding to the group number, and the transmission circuit 5 and the reception circuit 6 use a frequency band corresponding to the channel number, or correspond to the repeater type. Access the repeater by the access method.
[0031]
FIG. 2 is a diagram illustrating an example of a correspondence relationship between a call number, a channel number, a group number, and a repeater in the embodiment of the present invention. As shown in FIG. 2, a predetermined channel number and a predetermined group number are assigned to each call number. A repeater type is further assigned to the call number for repeater access. That is, no repeater type is assigned to the call number for the simplex mode.
[0032]
In the correspondence shown in FIG. 2, the call numbers from “1” to “5” are set as the call numbers for simplex mode, and the subsequent call numbers from “6” to “10” are set as the call numbers for repeater access. Has been.
[0033]
For example, the channel number “1” is assigned to the call number “1” for the simplex mode, and no group number is assigned. Further, for example, a channel number “1”, a group number “5”, and a type of repeater to be used (repeater 301A, see FIG. 3) are assigned to the call number “6” for repeater access. In this correspondence relationship, a plurality of repeaters 301A and 301B of different access methods (access method A and access method B) are mixed and associated with a series of call numbers.
[0034]
When a group call or the like is not performed, a group number is not assigned to the call number like the call number “1”.
[0035]
The correspondence relationship may be held by the control means 8 as a part of the control program, or may be held as a table in a memory (not shown) inside or outside the control means 8.
[0036]
Next, details of the operation of the radio apparatus according to this embodiment will be described.
[0037]
When a call number for the simplex mode is selected, the control means 8 specifies a channel number (and a group number if set) corresponding to the call number. When the call number for the simplex mode is selected, the control means 8 issues an operation command for making or receiving a call with the channel number (and the group number if set) to the hardware control means 4. To supply. When the hardware control means 4 receives the operation command, the hardware control means 4 makes a call to another radio with the channel number (and group number if set), or receives an incoming call from another radio. To go. When a link with another wireless device is established, communication with the wireless device is performed. In the case of voice communication, a voice signal collected by a microphone (not shown) is transmitted, the received signal is supplied to a speaker (not shown), and a corresponding voice of the signal is output.
[0038]
When a call number for repeater access is selected, the control means 8 specifies the channel number (and group number if set) corresponding to the call number and the type of repeater. Then, when the call number for repeater access is selected, the control means 8 accesses the repeater by an access method corresponding to the type of the repeater, and the channel number (and group number if set). An operation command for sending or receiving a call is supplied to the hardware control means 4. When receiving the operation command, the hardware control means 4 accesses the repeater with the channel number (and the group number when set) and the access method. When the hardware control unit 4 succeeds in accessing the repeater and establishes a link with another wireless device, the hardware control unit 4 communicates with the wireless device via the repeater. In the case of voice communication, a voice signal collected by a microphone (not shown) is transmitted, the received signal is supplied to a speaker (not shown), and a corresponding voice of the signal is output.
[0039]
FIG. 3 is a diagram for explaining the use of a repeater by a wireless device according to an embodiment of the present invention. The wireless devices 21 and 22 are wireless devices according to this embodiment, the repeater 301A is a repeater that accepts access using the access method A, and the repeater 301B accepts access using an access method B that is different from the access method A. It is a repeater.
[0040]
For example, when the correspondence number of FIG. 2 is set and the call number “8” is selected, the control means 8 sends an operation command for accessing the repeater 301A to the hardware control means 4. The hardware control unit 4 controls the transmission circuit 5 and the reception circuit 6 to access the repeater 301A by the access method A.
[0041]
FIG. 4 is a timing chart for explaining an example of the access method A of the repeater 301A.
[0042]
In the access method according to FIG. 4, first, in the period Ta1, the radio device 21 transmits a tone signal, and the repeater 301A detects the tone signal.
[0043]
Then, the repeater 301A detects that the wireless device 21 has finished transmitting the tone signal and is in a busy-off state in the period Ta2, and transmits a tone signal in the period Ta3. The two wireless devices 21 and 22 The tone signal is detected.
[0044]
After that, when it is detected that the repeater 301A finishes transmitting the tone signal and is in a busy-off state in the period Ta4, the wireless device 22 transmits an acknowledgment in the period Ta5. As a result, a link is established between the wireless device 21 and the wireless device 22, and the repeater 301A starts continuous transmission of the signal from the wireless device 21, and the signal from the wireless device 21 is transmitted to the wireless device 22 in the period Ta6. Received by.
[0045]
According to this access method A, since a link is established at the time of a confirmation response from the counterpart station (in this case, the radio equipment 22), the radio equipment 21 can reliably communicate with the counterpart station.
[0046]
On the other hand, for example, when the correspondence relationship of FIG. 2 is set and the call number “9” is selected, the control unit 8 sends an operation command for accessing the repeater 301B to the hardware control unit. 4, the hardware control unit 4 controls the transmission circuit 5 and the reception circuit 6 to access the repeater 301 </ b> B by the access method B different from the access method A.
[0047]
FIG. 5 is a timing chart for explaining an example of the access method B of the repeater 301B.
[0048]
In the access method according to FIG. 5, first, in the period Tb1, the wireless device 21 transmits a tone signal, and the repeater 301B detects the tone signal.
[0049]
Then, when the repeater 301B detects that the wireless device 21 finishes transmitting the tone signal and is in the busy-off state in the period Tb2, the repeater 301B starts continuous signal transmission, and first transmits the tone signal in the period Tb3. . When the wireless device 22 receives the tone signal, a link is established between the wireless device 21 and the wireless device 22, and in the subsequent period Tb4, the wireless device 22 receives the signal transmitted by the wireless device 21 from the repeater 301B. To do.
[0050]
When the busy state of the repeater 301B is detected in the period Tb5 after the transmission of the wireless device 21 is completed, the wireless device 22 transmits a transmission request to the repeater 301B in the period Tb6 and starts signal transmission. The wireless device 21 receives the signal transmitted from the wireless device 22 from the repeater 301B.
[0051]
According to this access method B, since a link is established at the time of response from the repeater 301B (tone signal transmission), the response to the tone signal from the wireless device 21 is accelerated as viewed from the wireless device 21.
[0052]
As described above, it is possible to perform wireless communication by accessing the repeaters 301A and 301B of different access methods without being aware of the access method only by switching the call number.
[0053]
As described above, in the wireless device according to the above-described embodiment, the call number switching unit 1 and the control unit 8 select one or a plurality of predetermined call numbers according to the operation by the user, and perform hardware control. The means 4, the transmission circuit 5 and the reception circuit 6 identify the repeater (repeater 301A or repeater 301B) and channel number corresponding to the call number selected by the call number switching means 1 and the control means 8, and correspond to the identified repeater. The repeater is accessed using the access method specified, and wireless communication is performed using the specified channel number.
[0054]
As a result, a single wireless device can access a repeater of a specific access method and perform communication with a specific wireless communication setting by a simple operation of selecting and inputting a call number. Therefore, by changing the call number, as shown in FIG. 3, it is possible to access a plurality of types of repeaters 301A and 301B and perform communication with wireless communication settings corresponding thereto.
[0055]
Furthermore, since the wireless device according to the above-described embodiment can support a plurality of types of access methods, if this wireless device is used, a slave device (wireless device) can be easily added to a repeater system of an existing access method. can do. Further, since only the call number needs to be selected and input, even a user with poor knowledge of wireless communication such as a channel or group can easily select and use an appropriate repeater.
[0056]
In the radio apparatus according to the above embodiment, the hardware control means 4, the transmission circuit 5 and the reception circuit 6 have repeaters (repeater 301A or repeater) corresponding to the call numbers selected by the call number switching means 1 and the control means 8. The repeater 301B) identifies a channel number and a group number, accesses the repeater with an access method corresponding to the identified repeater, and performs wireless communication with the identified channel number and group number.
[0057]
As a result, even if there are multiple wireless communication setting items such as channel numbers and group numbers, various repeaters can be used by a single wireless device with a simple operation of selecting and entering a call number, and wireless communication settings can be made accordingly. Communication can be performed.
[0058]
Furthermore, in the radio apparatus according to the above embodiment, the call number switching means 1 and the control means 8 are either one of a call number for repeater access and a call number for simplex mode according to the operation by the user. When a call number is selected and the hardware control means 4, the transmission circuit 5 and the reception circuit 6 select a call number for repeater access by the call number switching means 1 and the control means 8, the call number is handled. The repeater and channel number to be identified are identified, the repeater is accessed by an access method corresponding to the identified repeater, wireless communication is performed using the identified channel number, and the call number switching means 1 and the control means 8 are used to call the simplex mode call number. If is selected Identifying a channel number corresponding to the call number, performs wireless communication with the specified channel number.
[0059]
As a result, even when communicating with other wireless devices using a repeater or when communicating directly with other wireless devices, a single wireless device can be operated by a simple and similar operation of selecting and inputting a call number. Thus, communication can be performed, and it is not necessary to reset the wireless communication setting each time when the repeater is used and when the repeater is not used.
[0060]
Furthermore, in the radio apparatus according to the above embodiment, when the hardware control means 4, the transmission circuit 5 and the reception circuit 6 have selected a call number for repeater access by the call number switching means 1 and the control means 8, The repeater, channel number, and group number corresponding to the call number are identified, the repeater is accessed with the access method corresponding to the identified repeater, wireless communication is performed with the identified channel number and group number, and the call number switching means When a call number for simplex mode is selected by 1 and the control means 8, a channel number corresponding to the call number is specified, and wireless communication is performed using the specified channel number and group number.
[0061]
As a result, when there are a plurality of wireless communication setting items such as a channel number and a group number, even when communicating with another wireless device using a repeater or when directly communicating with another wireless device, the call number It is possible to use various repeaters with a single wireless device and perform communication with a wireless communication setting corresponding to the simple operation of selecting and inputting.
[0062]
In the wireless device according to the above-described embodiment, the hardware control unit 4, the transmission circuit 5, and the reception circuit 6 have a repeater, a channel number, and a call number corresponding to the call number selected by the call number switching unit 1 and the control unit 8. The selective call code may be specified, the repeater may be accessed by an access method corresponding to the specified repeater, and wireless communication may be performed using the specified channel number and the selective call code. Here, the selective call code is a code for calling a specific radio.
[0063]
As a result, even if there are multiple wireless communication setting items such as channel numbers and selective call codes, various repeaters can be used with a single wireless device with a simple operation of selecting and inputting a call number, and wireless communication settings corresponding to the same are made. Can communicate.
[0064]
In the radio apparatus according to the above embodiment, when the hardware control means 4, the transmission circuit 5 and the reception circuit 6 select a call number for repeater access by the call number switching means 1 and the control means 8. The repeater, channel number, and selective call code corresponding to the call number are identified, the repeater is accessed using the access method corresponding to the identified repeater, wireless communication is performed using the identified channel number and selective call code, and the call number When the call number for the simplex mode is selected by the switching means 1 and the control means 8, the channel number and the selective call code corresponding to the call number are specified, and wireless communication is performed using the specified channel number and the selective call code. You may make it perform.
[0065]
As a result, when there are a plurality of wireless communication setting items such as a channel number and a selective call code, even when communicating with another wireless device using a repeater or when directly communicating with another wireless device, With a simple operation of selecting and inputting a number, various repeaters can be used with a single wireless device, and communication can be performed with wireless communication settings corresponding thereto.
[0066]
The above-described embodiments are preferred examples of the present invention, but the present invention is not limited to these, and various modifications and changes can be made without departing from the scope of the present invention. is there.
[0067]
For example, the access methods A and B shown in FIGS. 4 and 5 are examples of access methods, and can be implemented in the same manner even when the repeaters 301A and 301B adopt other access methods.
[0068]
Further, the difference in the access method of the repeater in the above-described embodiment includes a difference in frequency band for access to each repeater as necessary.
[0069]
In the above-described embodiment, the wireless devices 21 and 22 can access two types of repeaters 301A and 301B. However, wireless devices that can access three or more types of repeaters can be implemented in the same manner. is there.
[0070]
Furthermore, in addition to displaying the call number as a number, the display means 3 in the above-described embodiment enables display of alphabetic characters and kanji, and information associated with the call number (for example, the name of the communication partner user or Name, etc.) may be displayed.
[0071]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, the radio | wireless machine which can access the repeater of a specific access system and can communicate by specific radio | wireless communication setting by simple operation can be obtained.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of a radio device according to an embodiment of the present invention.
FIG. 2 is a diagram showing an example of a correspondence relationship between a call number, a channel number, a group number, and a repeater in the embodiment of the present invention.
FIG. 3 is a diagram illustrating use of a repeater by a radio device according to an embodiment of the present invention.
FIG. 4 is a timing chart for explaining an example of a repeater access method A;
FIG. 5 is a timing chart for explaining an example of a repeater access method B;
FIG. 6 is a block diagram illustrating a configuration example of a conventional wireless device.
FIG. 7 is a diagram illustrating use of a repeater by a conventional wireless device.
[Explanation of symbols]
1 Call number switching means (selection means)
4 Hardware control means (wireless communication means)
5 Transmitter circuit (wireless communication means)
6 Receiver circuit (wireless communication means)
8 Control means (selection means)
21, 22 Radio
301A, 301B Repeater

Claims (6)

A plurality of repeaters and channel numbers corresponding to the designated code, and a selection means for selecting one of the designated codes from the held designated codes in response to a user operation;
According to the repeater corresponding to the specified code, a tone signal is transmitted to the repeater, and a tone signal sent from the repeater is detected in a busy-off state after the tone signal is transmitted, An access method in which a link with the partner station is established by an acknowledgment sent from the partner station after detection, or a tone signal is transmitted to the repeater, and the partner station from the repeater in a busy-off state after the tone signal is transmitted Regardless of whether or not the partner station has detected the tone signal transmitted to the remote station, when the partner station detects the tone signal, the partner station can receive the voice . Each of the repeaters can be accessed, and the repeater and the channel corresponding to the designated code selected by the selection means. Identify number, access to the repeater in the access system corresponding to the repeater that specified, a radio communication unit that performs wireless communication specified above channel number,
A wireless device comprising: A memory for storing wireless communication setting information including the channel number corresponding to the call number that is the currently selected designation code;
The wireless communication means identifies the repeater, the channel number, and the group number corresponding to the designated code selected by the selection means, accesses the repeater with an access method corresponding to the identified repeater, and identifies The wireless device according to claim 1, wherein wireless communication is performed using the channel number and the group number.   The wireless communication means identifies the repeater, the channel number, and the selective call code corresponding to the designated code selected by the selection means, accesses the repeater with an access method corresponding to the identified repeater, and identifies The wireless device according to claim 1, wherein wireless communication is performed using the channel number and the selective call code. The selection means selects one of the designation code of the designation code for repeater access and the designation code for simplex mode according to an operation by a user,
The wireless communication means, when the designated code for repeater access is selected by the selecting means, identifies the repeater and the channel number corresponding to the designated code, and an access method corresponding to the identified repeater The repeater is accessed in order to perform wireless communication with the specified channel number.When the designation code for the simplex mode is selected by the selection means, the channel number corresponding to the designation code is identified, Wireless communication with the identified channel number;
The wireless device according to claim 1.   The wireless communication means specifies the repeater, the channel number and the group number corresponding to the designated code when the designated code for repeater access is selected by the selecting means, and corresponds to the identified repeater. If the specified code for simplex mode is selected by the selecting means, the repeater is accessed by the access method, wireless communication is performed using the specified channel number and the group number, and the specified code corresponds to the specified code. The wireless device according to claim 4, wherein the channel number and the group number are specified, and wireless communication is performed using the specified channel number and the group number.   The wireless communication means, when the designated code for repeater access is selected by the selecting means, identifies the repeater, the channel number and the selective call code corresponding to the designated code, and specifies the designated repeater. The repeater is accessed with a corresponding access method, wireless communication is performed with the specified channel number and the selective call code, and when the designation code for the simplex mode is selected by the selection means, 5. The wireless device according to claim 4, wherein the corresponding channel number and selective call code are specified, and wireless communication is performed using the specified channel number and the selective call code.

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