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Help CenterLinkLV Brand TDMA Full Duplex Portable TDD Base Station Transceiver
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LinkLV brand TDMA Full Duplex portable TDD base station transceiver
TDD base station wireless audio video tranceiver advantage:
1. Long range transmission distance
2. Real-time transmission systems
3. Extremly low delay less than 300ms
4. Perfect image quality, bright colors and smooth image.
Product Features:
1. Embedded module function, data transfer and display integrate all-in-one
2. Stable power, dynamic power adjustable
3. Support 8 channels video decoding, built in soft matrix, data storage
4. Single carrier frequency support max. 4 users simultaneously two-way data transmitt
5. Encryption: AES 128 bit
6. Flexible power supply
7. Built in microphone and PTZ control
Technique 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 |
| Beidou with Synchronized clock | ||
| 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) | ||
| 8-channel D1 or 4-channel 720p video 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 | |
| Boundary dimension | 424*366*198(mm)(L×W×H) | |
| 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.
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