Gold Member Since 2014
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Shenzhen Keweitai Enterprise Co., Ltd.

Wireless Transmitter, Mini Video Transmitter, Portable Video Transmitter manufacturer / supplier in China, offering Cofdm Wireless Mini Video Transmitter, Uav Drone Police Multicopter/Quadcopter, 1080I Manpack Anti-Explosion Mobile Video Transmitter for Armed Police, Fire Fighter and so on.

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Supplier Homepage Product Digital Wireless COFDM Transmitter Cofdm Wireless Mini Video Transmitter

Cofdm Wireless Mini Video Transmitter

FOB Price: US $7,500 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $7,500/ Set
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Production Capacity: 5000pieces/Year
Transport Package: Carton
Payment Terms: T/T, Western Union, USD cash

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Basic Info
  • Model NO.: MV2025TWSE/TWLE
  • Weight: 0.28kg (Include Battery)
  • Working Temperature: -25°c~55°c
  • Color: Black
  • Application: Data Transmission, Image Transmission, Video Transmission
  • Oscillator Circuit: LC or Crystal Oscillator
  • Specification: SGS
  • Dimension: 101mm ×81mm ×15mm
  • RF Interface: SMA
  • Storage Temperature: -40°c~70°c
  • Power Output: 200/500mw
  • Modulation: Qpsk, 16qam, 64qam
  • Trademark: ALLTECH
  • Origin: Shenzhen, China
Product Description
System Introduction
The COFDM mini transmitter (MV2025 TWLE) is a new concept in remote surveillance, designed specially to meet the special requirements of covert missions. The equipment is highly integrated and can realize wireless video transmission in mobile and NLOS (Non line-of-sight) conditions. With professional clothes and camera, it can be used in public security bureau or security department to finish covert missions. The transmission range can be up to 30km in LOS (line-of-sight) condition.

Transmitter Features
COFDM modulation, stable transmission
Transmission security by encryption of AES128 bit/ ALLTECH Basic Scrambling
MPEG-2 video compression
High capacity of Lithium battery for power supply
Modular design and highly integrated
Adjustable working frequency
High strength aluminum enclosure, dustproof, waterproof and shockproof
NLOS (Non line-of-sight) transmission.
The transmission range is 20Km in LOS (line-of-sight) condition
Good transmission with high definition video and stereo audio

Product Application
By using a camera, the first responder can get live scenes. Then the mini transmitter transmits real-time video to the receiving center. In the receiving center we use a rack mount receiver which can be installed in the van/vehicle to realize LOS / NLOS (non line-of-sight) condition
Power Supply
Power supply interface Standard interface
Power supply        Combined transmitter: DC14.8V
Mini video transmitter: DC7.8V
Video Transmission
Frequency output range 300MHz~1.2GHz or user customized
RF bandwidth MHz 6/7/8MHz or 1.25/2.5MHz
Power output 200mW
C/N ≥28dB@23dBm
SHG >52dBc
Modulation COFDM
Video encoding MPEG-2/MPEG-4
Encryption AES/ALLTECH Basic scrambling
Constellation QPSK/16QAM @ 1.25/2.5MHz
QPSK/16QAM/64QAM @ 6/7/8MHz
FEC 1/3, 2/3@ 1.25/2.5MHz
1/2, 2/3, 3/4, 5/6, 7/8 @ 6/7/8MHz
Carrier 2K
GUI 1/8, 1/16 @ 1.25/2.5MHz
1/4, 1/8, 1/16, 1/32 @ 6/7/8MHz
Video input level 1~1.2Vp-p@75Ω
Video input format PAL/NTSC
Video resolution 720x576(PAL)  720x480(NTSC)
Video amplitude-frequency characteristic  dB 0~4.8MHz -0.5~1.5
5.5MHz -4.0~1.5
Audio input Left/right channel, stereo
RS232 control interface Standard RS232 level, 9600, 8, N, 1
RS232 data interface Standard RS232 level, support 1200~115200
Delay Less than 60ms  
Working temperature -25°C~55°C  
Storage temperature -40°C~70°C  
Ambient humidity No less than 95%  
Protect standard Rust protection and shakeproof  
Dimension 101mm ×81mm ×15mm  
Weight 0.28Kg (include battery)  
RF interface Standard SMA  
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