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!
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50km FPV Video Transmitter Mini COFDM Wireless video Sender For Drones / Helicopter

Place of Origin Shenzhen, China
Brand Name SUNTOR
Certification FCC, CE, RoHS
Model Number ST50HPT
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 TDD-COFDM Delay 15-30ms
Range 70km Encryption AES
Software Support RC Compatible Wth Many Brand RC
Auot Pilot System Co-work With Auto Pilot System For GS Weight 146g
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50km Helicopter COFDM wireless transmitter

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Product Description


50km FPV Video Transmitter Mini COFDM Wireless video Sender For Drones/Helicopter



Data Sheet



COFDM Technique Advantages:

Strong interference: COFDM wireless transmitter is effectively against the multipath interference of signal waveform with the COFDM modulation. When the frequency selective fading occurs due to multipath transmission in the channel, only the subcarriers in the band depression and the signal carried by them are affected. The other subcarriers are not affected. Therefore, the overall bit error rate of the system is lower.
Anti-multipath fading: COFDM wireless audio video transmitter is effectively against the interference with the multi-carrier technique (COFDM). Compared to the single carrier, multi-carrier inherently resistant to time delay and has strong multipath capability. With joint coding of subcarriers & frequency diversity of the channel, the system’s performance is improved. Therefore, COFDM wireless system is suitable for multi-path environment and fading channel high-speed audio video data transmission.
COFDM wireless system is suitable for high-speed mobile wireless transmission in LOS operation without servo stability control assistance, such as on UAV to mobile vehicle, uav to groun station, UAV to vessle.



  • Working Temperature: -40℃~+85℃
  • Support SBUS/PPM/TTL/232/485
  • Video: Video sources self-adaptive(Max 1080P/60), Support High Definition Multimedia Interface Input/output
  • Support Video and Duplex Data
  • Compatible with different brand flight controller and remote controller
  • 100Mbps Ethernet for option
  • Matching with our TPlayer software (low latency software decoder) to display video on PC.

HD COFDM UAV Transmitter Description:

ST50HPT is ultra-low latency H.265 COFDM HD portable wireless video transmitter, adopted the 4th generation multi-carrier modulation technology and highly efficient/ innovative H.265 compression coding. Greatly improve coding efficiency,decrease coding delay, optimize algorithm, anti-bit error rate and improve image quality, which use the lowest bit rate to achieve the best image compression.

It is widely used in UAV aviation filming,,covert investigation,image monitor and real-time wireless video transmission.






Power supply DC7V~18V, 12W consumption
Ethernet 10/100BaseT, Auto-MDI/X
Output frequency 2.4Ghz
Output rf power 2W(33dBm)
Bandwidth 2/4/6/8MHz (adjustable)

RJ-45 ethernet, RS232/RS485/RS422

High Definition Multimedia Interface mini


Resolution Support High Definition Multimedia Interface and SDI 1080P@60P
Encryption mode 128bit AES(or 256bit AES)
Error correction mechanism 32bit of CRC,ARQ
Modulation TDD_COFDM
Parameter control Through OLED control panel to modify parameters
Transmission Distance 40-70km LOS on UAV
Working temperature -40℃~+85℃
Dimension 6x73x24mm
Weight TX: 146g, RX: 146g