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2W mini UAV COFDM wireless video transmitter and receiver

2W mini UAV COFDM wireless video transmitter and receiver


Modulation COFDM
Frequency 325MHz-399MHz,400-500MHz, 500MHz-760MHz,760MHz-860MHz (customized)
Transmit power 2W(mini transmitter works with amplifier)
Wireless mode Point to point
Antenna type External omni antenna
Support range 1-2KM(NLOS), up to 30km(LOS)
Function Video & audio signal


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The mini transmitter is highly integrated digital video transmission equipment that can realize wireless video transmission in mobile and NLOS (Non line-of-sight) conditions. With professional clothes and pinhole camera, it can be used in public security bureau or security department to finish covert missions (technical investigation and covert intelligence gathering). It can be also applied in emergency and evacuation, railway, marine and so on. We can use the mini transmitter with a specially designed multifunctional amplifier to meet the requirement of longer transmission range.

Main Features:
COFDM modulation, Stable transmission
■MPEG-2 video compression, DVD video quality
■Mobile and NLOS(Non line-of-sight) transmission
■High strength aluminium enclosure, dustproof, waterproof and shockproof
■Lithium battery for power supply(continuous working time of every battery is an hour)
■Modular design and highly integrated
■Adjustable working frequency
■Can be used conveniently with the specially designed clothes
■Transmission security by encryption of AES 128 bit/ ALLTECH Basic Scrambling
■Matched with multifunction amplifier for longer range requirement. The transmission range can be up to 80km in LOS (line-of-sight) condition

Product Application:
The product is an ideal solution in remote surveillance, designed specially for the covert intelligence gathering market. By using a pinhole camera, the first responder can catch live scenes at the accident ground. Then the mini transmitter sends real-time images to the receiving center.

COFDM video transmission

The COFDM mini transmitter is a new concept in remote surveillance, designed specially to meet the special requirements of covert missions. This product is modular design and highly integrates the antenna, digital modulation and AV compression into one. Every lithium battery can support the system to work for an hour continuously .If used with the multifunctional amplifier, longer transmission range can be up to 80kms in LOS (line-of-sight) environment. In the receiving center we use a portable multifunctional receiving suitcase(MV2025R/YJBK) that can record the real-time video by USB interface and control the PTZ in NLOS (non line-of-sight) condition.

Used with Special Clothes                     Used with multifunctional Amplifier

  COFDM video transmission
    COFDM video transmission











Transmitter Specification:

Modulation COFDM
Bandwidth 2/4/8MHz (optional)
Constellation QPSK, 16QAM, 64QAM
FEC 1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval 1/4, 1/8, 1/16, 1/32
Video Signal 1Vp-p@ 75Ω, PAL
Resolution 720×576 @ 8MHz, 352×288 @ 1.25MHz
Video Compression MPEG-2  (4:2:0) / MPEG-4 (optional)
Frequency  300MHz-399MHz,400-500MHz (customized),
560MHz-760MHz,760MHz-860MHz (customized)
Frequency is adjustable continuously
Transmission Range LOS: more than 10kms  (mini transmitter works only)
LOS: more than 20kms  (mini transmitter works with amplifier)
NLOS: more than 500m  (mini transmitter works only)
NLOS: more than 1-2km  (mini transmitter works with amplifier)
Working Voltage AC 220V /DC12V
Motion Speed more than 180km/h
Power Interface Standard
RF Interface Standard N female
Protection Antirust and shockproof
Power Output 22dBm-24dBm (up to 33 dBm with the amplifier)
Latency ≤80ms
Battery 50 minutes continuous working time
Temperature -20°C~+50°C
Humidity ≤95%
Encryption AES 128 bit / ALLTECH Basic Scrambling (RS232 serial port)
Second Harmonic ≤-43dB
Dimension Mini transmitter  105*62*23mm
Power amplifier   151*195*47mm
Weight 0.25kg (mini transmitter + battery)
2.8kg ((mini transmitter + power amplifier)

Multifunctional Receiver Specification:

Bandwidth 2/4/8 MHz  (optional)
RF Level -94dBm~-20dBm
RF Impedance 50Ω
Receive Frequency 170-860MHz VHF&UHF
DC Output DC 10.5V+/-0.5V
Constellation QPSK, 16QAM, 64QAM  (optional)
FEC 1/2, 2/3, 3/4, 5/6, 7/8 (optional)
Carrier 2K
Decryption: AES 128 bit / ALLTECH Basic scrambling
RS232 serial port for configuration
Guard Interval 1/32, 1/16, 1/8, 1/4 (optional)
Video Decoding ISO/IEC13818-2 (MPEG2 video) MP@ML
Aspect Ratio 4:3, 16:9
Resolution 720 x576
Audio Output Stereo unbalanced (300/200 mV)
AV Output 2 audio+2 video
Video Record H.264
USB Interface USB 2.0 (Flash memory disk can be connected )
Control Protocol PELCO-P/D
Control Frequency 433MHz
Control Modulation GFSK
Power Supply AC220V/DC12V <2A
Working Current <2.5A @DC 12.5V
Temperature -20°C~ +50°C
Dimension 480*260*45 (1U Aluminium alloy box)
Weight 2.5kg


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