Brian Hamilton
    Yours is the best I have found so far.
    After ordering from you in July. we want to expand our cooperation, please give me solution for Long range Transmitter around 40-70KM. Thanks!
    The Transmitter ST11HPT working perfect! We will order more soon. Look forward to establish long term business relationship with you!
Contact Person : Sonia
Phone Number : Mobile: +86 135 9021 5519
Whatsapp : +8613590215519

40W High Power COFDM Transmitter , Ultra Long Range Outdoor Wireless Video Transmitter

Place of Origin Shenzhen, China
Brand Name SUNTOR
Certification FCC, CE, RoHS
Model Number ST6240CZ-HD
Minimum Order Quantity 1 set
Price Negotiation
Packaging Details Plastic Box
Delivery Time 7-15 days
Payment Terms T/T, Western Union, Paypal
Supply Ability 1000 set/ month

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Product Details
Modulation COFDM Working Frequency 300MHz~4.4Ghz
Output Power 40W Standard H.264 / MPEG-2
Code Stream 2Mbps~12Mbps Transmission Range NLOS: 15-40km LOS: 30-50km Air To Ground: 50-100km
Resolution Full HD 1080P Power Supply AC110-230V
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Product Description

Outdoor 40W High Power Ultra Long Range COFDM Wireless Video Transmitter


40km Long Range NLOS Video Vehicle Mounted Wireless Cofdm Transmitter(ST6240CZ-HD) is big RF power security device specially designed for vehicle digital image NLOS mobile transmisson . Standard 19inch 2U dimension appearance is suitable for fixed or moving installation. And this kind of wireless audio video transmitters support one channel image and two audio channels. Therefore, security equipment ST6240CZ-HD is not only for outddoor but aslo for vehicle fixed installation. Large rf power means long distance transmission.This wireless audio transmitter can transmit up to 100km LOS and 40km NLOS distance with omni-directional antenna. Therefore, outdoor wireless transmitte and receiver is suitable for Car to car,boat to boat,vehicle to fixed station,boat to fixed station,helicopter to fixed station , which can be also as a repeater.



  • Inset high-powered amplifier and cooling fans
  • Stable transmission with omni-directional antenna
  • COFDM modulation and MPEG-2 video compression
  • Adjustable working frequency, LCD board displays the working frequency
  • Great security by encryption of AES 128 bit
  • Rack mountable design, can be installed in a car or helicopter
  • Good transmission with high definition image and stereo audio
  • Stable transmission in NLOS(non line-of-sight)and high speed mobile condition.
  • The transmission range is 15-40km in NLOS(non line-of-sight)condition and 30-50km in LOS(line-of-sight)condition


Suitable for long range high definition video transmitter between car to car, ship to ship,car to fixed location,ship to fixed location,plane to fixed point and also can be used as relay for long range video transmitter. The LOS transmitter range can reach 100km when worked with omni high gain antenna.


Transmitter parameter

RF Working frequency 300MHz~4.4Ghz
Output power 40W
Modulation COFDM
Channel bandwidth 2/2.5/4/8MHz
Encryption AES
Guard Interval 1/32, 1/16, 1/8, 1/4
System Standard H.264/MPEG-2
Code stream 2Mbps~12Mbps
System latency ≤300ms
Error rate ≤10-6
Transmission Range

NLOS Distance: 15-40km

LOS Horizontal Distance: 30-50km

Air to Ground: 50-100km

Usage mode Vehicle-mounted
Audio and Video Compression format H.264/MPEG-2
Video input HD-SDI, High Definition Multimedia Interface and Analog CVBS
Audio input Left and Right Channel
Image resolution 1080P(1920*1080)compatible 720P,480P and SD @ Frame rate is 25 fps
Video input physical interface BNC female port, HD-SDI, High Definition Multimedia Interface standard interface
Aviation Interface

Hand Microphone(on front panel)

RS485(on back panel)

Audio input physical interface BNC female port
Others Power supply AC110-230V
Size 19" 2U standard crate,485mm×340 mm×90 mm (L×W×H)



































40W High Power COFDM Transmitter , Ultra Long Range Outdoor Wireless Video Transmitter 0