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November 26, 2018
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Home » Products » Backpack Transmitter

Backpack Transmitter ( HMJ300B)

Model Number: HMJ300B
Country of Origin: China, guangdong
Brand Name: HMJ
Minimum Order:2 sets
Price/Payment: USD 5000/piece
Production Capacity: 5000 sets/year sets
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Backpack Transmitter

Product Specifications/Features
    Backpack Transmitter is the first choice for Emergency Communications Vehicle, command vehicles & emergency communication systems, with characteristics: Small in size & long in transmission range.

    Application Ranges:Police, Fire Control, Traffic Police, Civil Defense, Urban Management & law Enforcement, Environmental Monitoring, Flood Control, Electrical Repairs, Marine Law Enforcement, Customs & Border Protection, Port Monitoring, Forest Fire Control, Military Surveillance, Television & other related fields. Transmitter can work in complex environment, mobile transmitting high-resolution image.
    Application Modes:
    1. Backpack transmitter---Truck---Commanding Center
    2. Small in size & light in weight
    3. High-definition image & video transmission on airborne & unmanned helicopters

    Equipment Features: 1. Stably transmits A/V signals while moving in high-speed & interfered by multi-path
    2. System can transmit in complex weather condition
    3. High-quality digital video encoding & decoding videos & DVD picture
    4. Excellent anti-jamming performance in complex electromagnetic environment
    5. Powerful NLOS transmitting capability6. Strict Encryption
    7. Frequency applicable in wide ranges
    Technical Parameters:
    1. Working frequency: 300MHz~5.8G, (adjustable)
    2. Power output: 1~5W (Continuously adjustable)
    3. Modulation mode: COFDM 2K, QPSK/TDS-OFDM
    4. Channel bandwidth: 1.25/2/4/6/8MHz (adjustable)
    5. Code stream: 0.8Mbps~10Mbps.
    6. Video compression standard: MPEG-2, MPEG-4 & H.264
    7. Video input: PAL/NTSC
    8. One video & Two voice provided
    9. End to end delay: 40ms
    10. BER: <=10-6
    11. A/V data format: MPEG-2, MPEG-4@ ML 4:2:0
    12. Transmission distances: 1~3km
    13. Frame rate: 25fps, resolution: >=720*576
    14. Transmitting antenna: omnidirectional whip antenna
    15. Receiving sensitivity: -106dBm
    16. DB9 Serial Interface for the FM & power adjustment,
    17. Two-way voice (optional)
    18. RS232, RS485 data interface provided
    19. FEC: Viterbi (1/2, 2/3, 3/4)
    20. Guard interval: 1/32, 1/16, 1/8, 1/4
    21. Encryption: AES/ABS (128bit)
    22. Users-oriented encryption (optional)
    23. One SDI digital interface (optional)
    24. Power supply: DC9V~16V/1.2A
    25. Net Weight: 2.0kg
    26. Size: 230mm*150mm*64mm (L*W*H)
    27. Working conditions: temperature: -30oC~70oC, Relative Humidity: 90%
    28. Storage conditions: temperature: -40oC~80oC, Relative Humidity: 90%

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Mr Mark Yu
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