Portble Base Station for Wireless Voice Transmission Receiving
LinkAV wireless transmission system advantages:
- Long range transmission distance
- Real-time transmission systems
- Delay time very short less than 500ms
- Perfect image quality, brighter colors and image smoothness.
(we will support video to demonstration it if you sent inquiry)
Portable TDD Base Station Equipment Wireless Transceiver
Product model:LinkAV-TJ340-5W
Product features:
u Integrated design, adopt modulation,device is highly integrated, comes with battery and outer core power connector, three anti-security;
u Stable power with adjustable dynamic power;power range≤37dBm;
u Support 8 channel video decoding, built-in soft matrix, data storage ;
u Single carrier frequency support up to 4 simultaneous users two-way data transmission ;
u Built-in microphone for phone talk and PTZ control ;
u Smart settings,simple operation, easy to use;
u Low power consumption,excellent heat dissipation, working temperature≤45℃;
u Wireless channel with AES128 bit encryption (Support customer key, through the RF plate manually modify)
u Flexible batteries,Single battery working time is 3 hours
Product Parameters:
Product parameter | ||||
Type |
item |
Description |
||
RF parameter |
Working frequency |
300~800MHz(customized) |
||
Modulation bandwidth |
2 / 4 / 8MHz |
|||
Modulation method |
TDD-OFDM |
|||
Communication method |
TDMA full duplex |
|||
Output power |
37dBm |
|||
Flatness in band |
≤ ±0.5dB |
|||
Band spurious |
≤ -36dBm |
|||
Third-order intermodulationDistortion |
≤ -36dBC |
|||
Receiving sensitivity |
≤ -100dBm |
|||
MER |
≥ 36dB |
|||
Anti-adjacent channel interference |
≥ 40dB |
|||
|
Transmission bandwidth |
Max 14Mbps |
||
Data |
Synchronous control |
GPS or Beidou with Synchronized clock
|
||
Network Protocol |
IP/TCP,UDP,HTTP,SMTP etc. |
|||
Encryption method |
AES 128 bit(support customer key, through RF plate manually modify) |
|||
Business Units |
Video decoding |
8-channel D1 or 4-channel 720p video decoding(switch to Matrix) decoding(similar to Matrix)
|
||
Display |
14 inch HD LCD,high light,great visual angle |
|||
Audio communication |
Built-in amplifier speakers |
|||
Data storage |
1T Hard disk storage |
|||
General specs |
Working temperature |
-30 ~ +60°C |
||
Power supply |
DC12V battery,single battery work time is 3 hours |
|||
Power consumption |
15 ~ 30W |
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Boundary dimension |
424*366*198(mm)(L×W×H) |
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Weight |
≤10kg |
|||
interface |
Power interface |
DC head |
||
Data interface |
USB |
|||
RF antenna interface |
NF connector |
|||
Network port |
RJ45 |
|||
System description:
TDD Individual Standard Definition Twoway voice Wireless Video Transmission system adopting TDD twoway network transmission technology,on the basis of integration of the latest LTE mobile TDS and terrestrial digital TV technology features and advantages,independent research and development the design of new generation of Multiple access wireless communication technologies,adopts the most advanced code modulation in multi-user wireless communication field ,TDD-OFDM,LDPC error correction code,DPD,H.264 codec technology as the core,assigning channel resources through slot control, through the sub-carrier frequency flexibly assigned to multiple user terminals,within the same frequency maximized realized access multiple endusers multiple access. In the NLOS and high speed movement realize real-time two way transparent information transmission, Multiple wireless networks can be integrated with each other layout large network coverage.
System function and characteristics:
1. with strong diffraction ability,Support two-way communication in a single frequency, high frequency spectrum utilization;
- Wide coverage, flexible allocation of channel resources, to achieve point to point, point to multipointk multipoint to multipoint two-way communication.
- Strong ability of error correction,adopts world most advanced LDPC error correcting code technology,carrier to noise ratio threshold is 0.5dB under QPSK mode, approaching the theoretical limit communication.
- Anti-fading ability, the system has a strong anti-fading; TDD two-way image transmission technology with respect to the single-carrier frequency domain equalization technology, inherently long delay and strong anti-multipath capability, more suitable for urban environments.
- Video, audio, data and other multimedia information, high-speed, real-time, synchronous transmission.
- Good mobility, moving faster than 200km / h.
- Using the latest pre-distortion technology, will reduce the PAPR, improve power amplifier efficiency, TDD-OFDM mode allows the unit to open only in certain time slots, other times you can turn off standby to save power.
- Using the unique encryption technology, digital signal processing, strong system security, stabilization and reliability.
- Four network application architecture: a single center station, multi-center station, more remote stations (multiple access) and personal piggyback onboard remote terminal of the networking program.
- Image quality: HD / SD / D1 / Half 720P optional.
11. GPS data interfaces: UART (compatible Beidou system).
System Application:
Can be used for public security, fire-fighting, traffic police, civil air defense emergency, urban management and law enforcement, environmental monitoring, three anti-emergency, flood control, emergency power, railway rescue, maritime law enforcement, maritime surveillance patrol, customs border, port monitoring, forest fire prevention, oil theft, more complex environment in real time transmission of high quality moving images for the city, the sea, mountains and so on; military reconnaissance, television and so on.
System application form:
Overall transmission path is: Individual soldier - 5W portable base station,individual soldier and mobile station is a two-way man moving body, it can be applied to any mobile scene mode.
Typical applications for the general scene mode:Individual soldier - Communications command vehicle, staff from the front carrying a transmitting device and then transmit the local standard definition video signals to the communications command vehicle,communications command vehicle can be directly monitor real-time monitoring by mobile base stations.In addition, between the man and the command vehicle can real-time two-way voice intercom .
On the premise of staff at the front end of a two-way voice SD transmitter, a portable base station supports up four-man back pass video and audio.
Communications command vehicle or command center can monitor through network at the same time, access PC view video and recording operations .
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