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Tel:+86-773-5818588 +86-773-5810712
Fax:+86-773-5830540  
Address: No.98 Liuhe Road, Guilin, P.R.China  Post
E-mail:shchb@glnftx.com
 
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COFDM mobile image transmission equipmentknapsack mode
2009/4/30

                                                          

                                                                              receiver  

Product Characteristics
1. Multi frequency band direct frequency-change technology:150-900MHz,1.0G-1.7GHz,2.3G-2.7GHz(optional)
2. Multi bandwidth COFDM modulating, channel bandwidth 8/4/2MHz(optional)
3. High-quality technology of MPEG2 Video encoding and decoding
4.Realizing high-quality transmission of real-time image and voice in high speed
5.Realizing high-quality transmission of real-time image and voice under the condition of NLOS
6. Realizing the two direction voice communication, facilitating the command and control at work
7. Manual Keycontrol 8 optional channels , facilitating field change of frequency point and avoiding interference
8.Using the keyboard to change the output power, range from 20dBm to 33dBm
9. No fan, 0dB noise design
10. It can be equipped with lithium batteries of double pinch plates, the working time of 6 hours or more, but also with an external +12 VDC power supply
11. Configured with a military frame carrier.

 

Technique Data

High-frequency unit

Operating Frequency  150-900MHz,1000-1700MHz,2300-2700MHz
Transmitter maximum output power    500mW/1W/2W (optional)
Channel bandwidth             8/4/2 MHz (optional)
Receiver input level      0dBm - -100 dBm (without LNA )
Antennal interface      N model, 50drges

Base Band Unit

OFDM subcarrier number    2K/8K(mode)
Guard time interval        1/32,1/16,1/8,1/4 (optional)
Channel coding                1/2,2/3,3/4(optional)
Modulating constellation diagram      QPSK/16QAM/64QAM(optional)

System index

Transmission code rate    1.5 /32Mbit/s (adjustable)
Receive threshold level    -99dBm(10-6 BER)

Move speed                     receive steady at the speed of 200 kilometers mph

Video/Audio parameters

Image format      PAL or NTSC composite video
Image quality    meet or exceed DVD effect
Image quality    720x576 (pixels)
Compression standards    MPEG-2,4:2:0,MP@ML
coding rate    1-20Mbps
Audio in    double-track12dBm
Audio Coding    728Kbps (Stereo)
Sampling frequency   32KHz
Video/Audio interface   RCA@75 (ohm unbalance)

Operating condition

Supply power     DC12V/15V
Overall power consumption   30W(output power=1W)
Operating temperature    -20drges- +55drges

Other

Control   Users can choose a pre-determined eight channels through the panel

 
Tel:+86-773-5818588 +86-773-5810712
Fax:+86-773-5830540  Address: No.98 Liuhe Road, Guilin, P.R.China  Post code :541004
E-mail:shchb@glnftx.com