CN112887013A - Ku frequency band very small caliber satellite communication ground portable station - Google Patents

Ku frequency band very small caliber satellite communication ground portable station Download PDF

Info

Publication number
CN112887013A
CN112887013A CN202110107526.XA CN202110107526A CN112887013A CN 112887013 A CN112887013 A CN 112887013A CN 202110107526 A CN202110107526 A CN 202110107526A CN 112887013 A CN112887013 A CN 112887013A
Authority
CN
China
Prior art keywords
shell
speed reducer
satellite communication
portable station
band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110107526.XA
Other languages
Chinese (zh)
Inventor
张鹏宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Zhongan Weitong Technology Co ltd
Original Assignee
Beijing Zhongan Weitong Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Zhongan Weitong Technology Co ltd filed Critical Beijing Zhongan Weitong Technology Co ltd
Priority to CN202110107526.XA priority Critical patent/CN112887013A/en
Publication of CN112887013A publication Critical patent/CN112887013A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851Systems using a satellite or space-based relay
    • H04B7/18517Transmission equipment in earth stations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)

Abstract

The invention discloses a Ku frequency band very small aperture satellite communication ground portable station, which comprises an upper shell and a lower shell, wherein the upper shell is hinged with the lower shell, the upper shell comprises a first plastic shell, the lower shell comprises a second plastic shell, a panel antenna is arranged on the inner side wall of the first plastic shell, and an up-conversion power amplifier, a down-conversion low noise amplifier, a receiving filter, a radio frequency feeder, a modem and a gyroscope are respectively arranged on the surface of the panel antenna.

Description

Ku frequency band very small caliber satellite communication ground portable station
Technical Field
The invention relates to the technical field of satellite communication, in particular to a Ku frequency band very small aperture satellite communication ground portable station.
Background
The satellite communication ground portable station is mainly composed of a portable station antenna and a satellite communication terminal, wherein the portable station antenna usually comprises an antenna, a servo, an up-conversion power amplifier BUC, a down-conversion low noise amplifier LNB and the like, and the communication terminal usually comprises a modem, a switch, a display and the like. The satellite communication link can be quickly developed on any terrain, and can be established within a few minutes, so that the bidirectional transmission of images, data and voice is realized. In case of emergency, in order to ensure the communication command task of the emergency site, the system can transmit the site condition back to the command center via the portable station to organize, manage and control the site, so as to realize the transmission of remote bidirectional voice communication, data, image and other information between the site and the remote command center.
The satellite communication ground portable station mainly comprises a portable station antenna and a satellite communication terminal, common forms of the portable station antenna comprise a reflector antenna and a flat plate array antenna, the common problems of large size, heavy weight and the like generally exist, the integration level of the portable station antenna and the communication terminal is not high, and the portability of the whole terminal equipment is poor, so that the Ku frequency band very small caliber satellite communication ground portable station is provided.
Disclosure of Invention
The invention aims to provide a Ku-band very small aperture satellite communication ground portable station to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a very small-bore satellite communication ground portable station of Ku frequency channel, includes epitheca and inferior valve, the epitheca with it is articulated between the inferior valve, the epitheca includes first plastic housing, the inferior valve includes second plastic housing, first plastic housing's inside wall is equipped with panel antenna, panel antenna's surface is equipped with up-conversion power amplifier, down-conversion low noise amplifier, receiving filter, radio frequency feed ware, modem and gyroscope respectively, modem respectively with up-conversion power amplifier with the radio frequency feed ware electricity is connected, the radio frequency feed ware with down-conversion low noise amplifier electricity is connected, receiving filter with down-conversion low noise amplifier electricity is connected, panel antenna respectively with up-conversion power amplifier with the receiving filter electricity is connected, up-conversion power amplifier, down-conversion power amplifier, The radio frequency feeder, the modem and the gyroscope are respectively and electrically connected with a power interface.
Preferably, the device further comprises a WiFi module, and the WiFi module is electrically connected with the modem.
Preferably, a network interface penetrates through the side wall of the first plastic shell, and the network interface is electrically connected with the WiFi module.
Preferably, the upper shell and the lower shell are connected through a pitch angle adjusting device.
Preferably, the pitching angle adjusting device comprises a speed reducer, a speed reducer housing and a pitching adjusting knob, the speed reducer housing is fixedly connected with the lower housing, the speed reducer is located inside the speed reducer housing, the pitching adjusting knob is rotatably connected to the outside of the speed reducer housing, the pitching adjusting knob is matched with the speed reducer, the upper housing is rotatably connected with the speed reducer housing, and the upper housing is matched with the speed reducer.
Preferably, the side wall of the speed reducer shell is provided with a locking screw in a penetrating mode, the locking screw is in threaded connection with the speed reducer shell, and the outer surface of the pitching adjusting knob is clamped with a decorative sheet.
Preferably, the epitheca is still including the polarization angle regulating plate, the polarization angle regulating plate rotates to be connected the surface of first plastic housing, the polarization angle regulating plate with fixed connection between the speed reducer, the surface of polarization angle regulating plate is equipped with the polarization scale, the surface of first plastic housing corresponds polarization scale department is equipped with the pointer.
Preferably, the outer surface of the first plastic shell is fixedly connected with an antenna housing, and a hasp is arranged between the upper shell and the lower shell.
Preferably, the outer surface of the second plastic shell is fixedly connected with a handle and then an anti-skid rubber mat.
Compared with the prior art, the invention has the beneficial effects that: the invention solves the problems of miniaturization and high integration of ground terminal equipment in a Ku frequency band satellite communication system. The satellite communication ground portable station mainly comprises a portable station antenna and a satellite communication terminal, common forms of the portable station antenna comprise a reflector antenna and a flat plate array antenna, the common problems of large size, heavy weight and the like generally exist, the integration level of the portable station antenna and the communication terminal is not high, and the portability of the whole terminal equipment is poor. According to the Ku-band very-small-caliber satellite communication ground portable station, functional devices such as an antenna, a BUC, an LNB, a gyroscope, a WiFi module and a modem are all integrated in a low-profile shell, and through system-level optimization, on the premise that communication quality requirements are met, miniaturization and high integration of equipment are achieved to the maximum extent, and the Ku-band very-small-caliber satellite communication ground portable station is very beneficial to carrying by a single person and task execution.
Drawings
FIG. 1 is a rear view of the present invention;
FIG. 2 is a schematic diagram of the right view structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a bottom view of the upper housing of the present invention;
FIG. 5 is a schematic front view of a planar antenna according to the present invention;
FIG. 6 is a schematic top view of a planar antenna according to the present invention;
FIG. 7 is a schematic left-side sectional view of the present invention.
In the figure: 1-upper shell, 2-lower shell, 3-pitching angle adjusting device, 4-panel antenna, 4-1-transmitting port, 4-2-receiving port, 5-up-conversion power amplifier, 5-1-first intermediate frequency port, 5-2-first radio frequency port, 5-3-first power supply port, 6-down-conversion low-noise amplifier, 6-1-second intermediate frequency port, 6-2-second radio frequency port, 7-receiving filter, 7-1-first input port, 7-2-first output port, 8-radio frequency feeder, 8-1-second output port, 8-2-second input port, 8-3-second power supply port, The system comprises a 9-modem, a 9-1-transmitting port, a 9-2-interface port, a 10-gyroscope, a 10-1-third power supply port, a 11-first plastic shell, a 12-power interface, a 13-network interface, a 14-antenna housing, a 15-hasp, a 16-polarization angle adjusting plate, a 17-polarization scale, an 18-pointer, a 19-second plastic shell, a 20-handle, a 21-antiskid rubber pad, a 22-speed reducer, a 23-speed reducer shell, a 24-pitching adjusting knob, a 25-locking screw and a 26-decorative sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a Ku frequency band very small aperture satellite communication ground portable station comprises an upper shell 1 and a lower shell 2, as shown in figure 1, the upper shell 1 is hinged with the lower shell 2, the lower shell 2 is placed on the ground, the upper shell 1 can be unfolded relative to the lower shell 2, the upper shell 1 comprises a first plastic shell 11, the lower shell 2 comprises a second plastic shell 19, a flat antenna 4 is arranged on the inner side wall of the first plastic shell 11, as shown in figures 5 and 6, an up-conversion power amplifier 5, a down-conversion low-noise amplifier 6, a receiving filter 7, a radio frequency feeder 8, a modem 9 and a gyroscope 10 are respectively arranged on the surface of the flat antenna 4, the modem 9 is respectively electrically connected with the up-conversion power amplifier 5 and the radio frequency feeder 8, the radio frequency feeder 8 is electrically connected with the down-conversion low-noise amplifier 6, the receiving filter 7 is used for transmitting and filtering downlink satellite signals, the down-conversion low-noise amplifier 6 is used for amplifying and frequency-converting received signals, the feeder is used for conducting intermediate-frequency signals from the down-conversion low-noise amplifier 6 to the modem 9 and providing direct-current bias feed for the down-conversion low-noise amplifier 6, the receiving filter 7 is electrically connected with the down-conversion low-noise amplifier 6, the panel antenna 4 is electrically connected with the up-conversion power amplifier 5 and the receiving filter 7 respectively, the panel antenna 4 is used for receiving downlink satellite signals, the up-conversion power amplifier 5, the radio-frequency feeder 8, the modem 9 and the gyroscope 10 are electrically connected with a power interface 12 respectively, and the power interface 12 is arranged on the side wall of the first plastic shell 11 in a penetrating manner, the device is convenient to be connected with an external power supply.
As shown in fig. 6, the specific connection manner is: the transmit port 9-1 of the modem 9 is connected to the first intermediate frequency port 5-1 of the up-conversion power amplifier 5 by a radio frequency cable.
The interface port 9-2 of the modem 9 is connected to the second output port 8-1 of the radio frequency feeder 8 by a radio frequency cable.
The second input port 8-2 of the radio frequency feeder 8 is connected with the second intermediate frequency port 6-1 of the variable down-frequency low noise amplifier 6 through a radio frequency cable.
The transmitting port 4-1 of the panel antenna 4 is connected with the first radio frequency port 5-2 of the up-conversion power amplifier 5 through a radio frequency cable.
The receive port 4-2 of the panel antenna 4 is connected to a first input port 7-1 of a receive filter 7.
The first output port 7-2 of the receive filter 7 is connected to the second radio frequency port 6-2 of the down-conversion low noise amplifier 6.
The up-conversion power amplifier 5, the radio frequency feeder 8, the first power supply port 5-3, the second power supply port 8-3 and the third power supply port 9-3 corresponding to the modem 9 are connected with the power interface 12.
The third power supply port 10-1 of the gyroscope 10 is connected to the power supply interface 12.
In particular, a WiFi module is also included, which is electrically connected to the modem 9.
Specifically, the lateral wall of the first plastic housing 11 is provided with a network interface 13 in a penetrating manner, the network interface 13 is electrically connected with the WiFi module, and the network interface 13 is used for realizing wired connection with external equipment.
Specifically, as shown in fig. 3, the upper case 1 and the lower case 2 are connected by a pitch angle adjusting device 3, and the pitch angle adjusting device 3 is used for adjusting a pitch angle between the upper case 1 and the lower case 2, thereby adjusting the posture of the flat antenna 4.
Specifically, the pitch angle adjusting device 3 includes a speed reducer 22, a speed reducer housing 23, and a pitch adjusting knob 24, as shown in fig. 3, the speed reducer housing 23 is fixedly connected to the lower housing 2, the speed reducer 22 is located inside the speed reducer housing 23, the pitch adjusting knob 24 is rotatably connected to the outside of the speed reducer housing 23, the pitch adjusting knob 24 is engaged with the speed reducer 22, the upper housing 1 is rotatably connected to the speed reducer housing 23, and the upper housing 1 is engaged with the speed reducer 22, the speed reducer 22 rotates the pitch adjusting knob 24, then reduces the rotation speed of the pitch adjusting knob 24, and transmits the rotation speed to the upper housing 1, so that the upper housing 1 is slowly opened, the structure of the speed reducer 22 is as shown in fig. 7, the speed reducer housing 23 is cylindrical, and the pitch adjusting knob 24 is rotatably connected to the outside of the speed reducer housing 23, the pitching adjusting knob 24 drives the gear inside the speed reducer casing 23 to rotate through a rotating shaft, a plurality of reducing gears meshed with the gear are arranged on the inner surface of the speed reducer casing 23, the upper casing 1 is rotatably connected with the speed reducer casing 23 through annular teeth, and the reducing gears are meshed with the annular teeth.
Specifically, a locking screw 25 penetrates through the side wall of the speed reducer housing 23, the locking screw 25 is screwed with the speed reducer housing 23, a decorative sheet 26 is clamped on the outer surface of the pitching adjusting knob 24, and after the locking screw 25 is screwed, the speed reducer housing 23 is fixed to the annular teeth, so that the angle of the upper housing 1 is fixed.
Particularly, as shown in fig. 4, epitheca 1 is still including polarization angle regulating plate 16, polarization angle regulating plate 16 rotates to be connected first plastic casing 11's surface, polarization angle regulating plate 16 with fixed connection between the inside annular tooth of speed reducer 22, polarization angle regulating plate 16's surface is equipped with polarization scale 17, polarization scale 17 is the arc, just polarization scale 17's axle center with the coaxial setting of rotation axle center between regulating plate 16 and the epitheca 1, first plastic casing 11's surface corresponds polarization scale 17 department is equipped with pointer 18, and when epitheca relative polarization angle regulating plate 16 rotated, polarization scale 17 then relative pointer 18 rotated.
Specifically, the outer fixed surface of first plastic housing 11 is connected with antenna house 14 for the inside electrical components of protection device, epitheca 1 with be equipped with hasp 15 between inferior valve 2, be used for with the joint between epitheca 1 and the inferior valve 2.
Specifically, the outer surface of the second plastic shell 19 is fixedly connected with a handle 20 and a non-slip rubber pad 21.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a very small-bore satellite communication ground portable station of Ku frequency channel, includes epitheca (1) and inferior valve (2), its characterized in that: the upper shell (1) is hinged to the lower shell (2), the upper shell (1) comprises a first plastic shell (11), the lower shell (2) comprises a second plastic shell (19), a panel antenna (4) is arranged on the inner side wall of the first plastic shell (11), an up-conversion power amplifier (5), a down-conversion low-noise amplifier (6), a receiving filter (7), a radio frequency feeder (8), a modem (9) and a gyroscope (10) are respectively arranged on the surface of the panel antenna (4), the modem (9) is respectively electrically connected with the up-conversion power amplifier (5) and the radio frequency feeder (8), the radio frequency feeder (8) is electrically connected with the down-conversion low-noise amplifier (6), and the receiving filter (7) is electrically connected with the down-conversion low-noise amplifier (6), the panel antenna (4) is respectively electrically connected with the up-conversion power amplifier (5) and the receiving filter (7), and the up-conversion power amplifier (5), the radio frequency feeder (8), the modem (9) and the gyroscope (10) are respectively electrically connected with a power interface (12).
2. The ground portable station for Ku band very small aperture satellite communication according to claim 1, wherein: the device also comprises a WiFi module which is electrically connected with the modem (9).
3. The ground portable station for Ku band very small aperture satellite communication according to claim 2, wherein: the lateral wall of first plastics casing (11) runs through and is equipped with network interface (13), network interface (13) with the wiFi module electricity is connected.
4. The ground portable station for Ku band very small aperture satellite communication according to claim 1, wherein: the upper shell (1) is connected with the lower shell (2) through a pitching angle adjusting device (3).
5. The ground portable station for Ku band very small aperture satellite communication according to claim 4, wherein: every single move angle adjusting device (3) include speed reducer (22), speed reducer shell (23) and every single move adjust knob (24) and constitute, speed reducer shell (23) with fixed connection between inferior valve (2), speed reducer (22) are located the inside of speed reducer shell (23), every single move adjust knob (24) rotate to be connected speed reducer shell (23) are outside, just every single move adjust knob (24) with speed reducer (22) cooperate, epitheca (1) with speed reducer shell (23) rotate to be connected, just epitheca (1) with speed reducer (22) cooperate.
6. The ground portable station for Ku band very small aperture satellite communication according to claim 5, wherein: the side wall of the speed reducer shell (23) is provided with a locking screw (25) in a penetrating mode, the locking screw (25) and the speed reducer shell (23) are in threaded connection, and a decorative sheet (26) is clamped on the outer surface of the pitching adjusting knob (24).
7. The ground portable station for Ku band very small aperture satellite communication according to any one of claims 4 to 6, wherein: go up shell (1) still including polarization angle regulating plate (16), polarization angle regulating plate (16) rotate to be connected the surface of first plastic casing (11), polarization angle regulating plate (16) with fixed connection between speed reducer (22), the surface of polarization angle regulating plate (16) is equipped with polarization scale (17), the surface of first plastic casing (11) corresponds polarization scale (17) department is equipped with pointer (18).
8. The ground portable station for Ku band very small aperture satellite communication according to any one of claims 1 to 6, wherein: the outer fixed surface of first plastic housing (11) is connected with antenna house (14), epitheca (1) with be equipped with hasp (15) between inferior valve (2).
9. The ground portable station for Ku band very small aperture satellite communication according to any one of claims 1 to 6, wherein: the outer surface of the second plastic shell (19) is fixedly connected with a handle (20) and an anti-skid rubber mat (21).
CN202110107526.XA 2021-01-27 2021-01-27 Ku frequency band very small caliber satellite communication ground portable station Pending CN112887013A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110107526.XA CN112887013A (en) 2021-01-27 2021-01-27 Ku frequency band very small caliber satellite communication ground portable station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110107526.XA CN112887013A (en) 2021-01-27 2021-01-27 Ku frequency band very small caliber satellite communication ground portable station

Publications (1)

Publication Number Publication Date
CN112887013A true CN112887013A (en) 2021-06-01

Family

ID=76052482

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110107526.XA Pending CN112887013A (en) 2021-01-27 2021-01-27 Ku frequency band very small caliber satellite communication ground portable station

Country Status (1)

Country Link
CN (1) CN112887013A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7039434B1 (en) * 1999-10-28 2006-05-02 Nec Corporation Mobile wireless communication system carrying out communication of a portable terminal, an information source server apparatus and a wireless communication gateway server apparatus
CN201188617Y (en) * 2006-09-19 2009-01-28 北京爱科迪信息通讯技术有限公司 Intelligent portable satellite communication earth station
US20120155514A1 (en) * 2010-12-17 2012-06-21 Echostar Technologies L.L.C Device for employing a portable communication device for antenna orientation optimization
CN103560821A (en) * 2013-10-16 2014-02-05 北京航天福道高技术股份有限公司 Box-type portable satellite communication station based on folding planar antenna
CN206251096U (en) * 2016-11-07 2017-06-13 航天恒星科技有限公司 Integrated portable ICBM SHF satellite terminal
CN209731251U (en) * 2018-12-17 2019-12-03 中国人民解放军陆军工程大学 A kind of lightweight satellite communication portable station all-in-one machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7039434B1 (en) * 1999-10-28 2006-05-02 Nec Corporation Mobile wireless communication system carrying out communication of a portable terminal, an information source server apparatus and a wireless communication gateway server apparatus
CN201188617Y (en) * 2006-09-19 2009-01-28 北京爱科迪信息通讯技术有限公司 Intelligent portable satellite communication earth station
US20120155514A1 (en) * 2010-12-17 2012-06-21 Echostar Technologies L.L.C Device for employing a portable communication device for antenna orientation optimization
CN103560821A (en) * 2013-10-16 2014-02-05 北京航天福道高技术股份有限公司 Box-type portable satellite communication station based on folding planar antenna
CN206251096U (en) * 2016-11-07 2017-06-13 航天恒星科技有限公司 Integrated portable ICBM SHF satellite terminal
CN209731251U (en) * 2018-12-17 2019-12-03 中国人民解放军陆军工程大学 A kind of lightweight satellite communication portable station all-in-one machine

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
李广等: "新型便携式卫星通信终端设计", 《无线电通信技术》 *
杨萍: "平面一体化集成Ka频段卫星通信终端ODU设计", 《电讯技术》 *
胡正飞等: "便携式卫星通信地球站结构及其控制系统设计", 《机电产品开发与创新》 *

Similar Documents

Publication Publication Date Title
CN213637748U (en) Portable station for light and small satellite communication
WO2016180173A1 (en) Transceiver device for satellite ground station, and satellite communications system
CN108885248B (en) Radar device, wireless rotary device of radar and unmanned aerial vehicle
CN112887013A (en) Ku frequency band very small caliber satellite communication ground portable station
CN206620239U (en) It is a kind of can split microwave communication equipment
CN110233660A (en) A kind of portable integrated satellite communication terminal
CN110994202A (en) Application system of ultra-wideband composite antenna
CN210052832U (en) Communication antenna for district based on big dipper and 5G technique
CN114744416B (en) Antenna for quickly replacing KU or KA communication assembly and replacing method thereof
CN204258807U (en) A kind of integrated bidirectional mobile communication satellite small station
CN210380847U (en) Portable integrated satellite communication terminal
CN210168040U (en) Portable satellite earth station
CN111541460B (en) 5G signal receiving equipment and signal receiving method
CN112564776B (en) Portable station for light and small satellite communication
CN205104615U (en) Coplaner small -size satellite antenna of kaKu
CN205319330U (en) Mechanical type is automatic polarize adjusting device and move in lead to antenna system
CN208046615U (en) A kind of intelligent portable satellite communications earth station
CN207560029U (en) A kind of smart home integrated terminal
CN106516142A (en) Loudspeaker system and unmanned aerial vehicle provided with same
CN210167493U (en) Novel signal transmission antenna for communication
CN110391839A (en) Portable satellite earth station
CN211531086U (en) Outdoor WIFI communication expansion device
CN201533318U (en) GPRS modem simple module
CN215184546U (en) Communication transmission is antenna for equipment convenient to connect
CN213717064U (en) Communication antenna structure that covers on a large scale

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210601