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

20W Firefighting Robot Wireless Transmitter , Long Range Video Transmitter

Place of Origin Shenzhen, China
Brand Name SUNTOR
Certification FCC, CE, RoHS
Model Number ST6220CZ-SD
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 Frequency Range 300MHz~4.4GHz
Output Power 20W Code Stream 2Mbps~12Mbps
SD Format PAL / NTSC Size 19" 2U Standard Crate
Power Supply AC 110-230V Weight 5kg
High Light

wireless video transmitter and receiver


audio video transmitter


Firefighting Robot Wireless Transmitter

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Product Description

20W SD Truck Mounted 50km COFDM Video Transmission device with CVBS Port


NLOS Portable COFDM Wireless Long Range Vehicle Video Transmitter is a big RF ( radio frequency ) power long range COFDM wireless video transmitter. it is vehicle mounted and for wireless LOS / NLOS long range mobile transmissonis.


Wireless video transmitter is with standard 19 inch 2U dimension appearance and suitable for fixed installation.
Wireless transmitters ST6220CZ-SD supports mobile images, audio, video transmission.
NLOS Portable COFDM Long Range Wireless Video Transmitter performs well PTP (point to point) audio video transmission.


Long Range Vehicle Video Transmitter (ST6220CZ-SD) can transmit up to 50km LOS long range and 20km NLOS long range with omni-directional antenna. It's suitable for Car to car,boat to boat,vehicle , boat, helicopter or drone to fixed station.



  • RF power 10-40W NLOS distance up to 50km NLOS distance
  • Use in rescue, reconnaissance, field operations and other emergency communication system
  • High definition and good image effects
  • Support high speed mobile transmission, max speed 180km/h


Powerful COFDM video audio transmitter, it can up to 10-40W RF power which support transmitting over a long distance.


Using the core technology 4th generation mobile communication COFDM modulation and low delay technique that can transmit high quality and stable image under the condition of fast moving or many buildings as obstacles (NLOS)


Suitable for vehicles: cars, boat - boats, cars - a building, ship-a base station, aircraft-a building/vehicle and more. High-definition moving video signal transmission, the carrier velocity greater than 450kph


Widely used in public security, armed , fire, rescue, reconnaissance, field operations and other emergency communication system.


Transmitter parameter

RF Working frequency 300MHz~4.4GHz
Output power 20W
Modulation COFDM (64QAM, 16QAM, QPSK)
Channel bandwidth 2/2.5/4/8MHz Manually adjustable on LCD
Error correcting mode FEC@Viterbi (1/2, 2/3, 3/4)
Encryption AES 128Bit/SUNTOR Basic Scrambling
Guard Interval 1/32, 1/16, 1/8, 1/4
Code Stream 2Mbps~12Mbps
Error rate ≤10-6
Usage mode Vehicle-mounted
Audio and Video Compression format H.264(Embedded Audio)
SD Format

PAL 720 x 576

NTSC 720 x 480

SD Video Input Connectors BNC
Audio L+R In BNC
Others Power supply AC 110-230V
Size 19" 2U standard crate, 485mm×340 mm×90 mm (L×W×H)
Built-in LCD Display and Manually Adjust Parameters
Power switch ON/OFF
Weight 5kg