Long Range Wireless Video Transmitter Cofdm 20w

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Item specifice:

Brand Name: Safe Guard Model Number: SG-S20 Frequency: 138-4400MHz (available)
Modulation: COFDM 2K QPSK Video Compression: MPEG-4/H.264 Customization: All features can be changed as your prefer!
Bandwidth: 2/2.5/4/8MHz (adjustable) Encryption: AES Video Format: PAL/NTSC auto-adaptation
Dimension: 220*140*60MM Weight: 2.3kg Power output: 20W

Product Description:

Model: SG-S20

This is a new arrival digital wireless video audio transmitter which adopts the latest technologies of COFDM modulation and MPEG-4 image compression that enables good NLOS (Non line-of -sight) transmission with DVD quality video. The transmitter is compact size with strong power amplifier for longer-range transmission. Good heat resistant with two cooling fans. Be safety with AES128/256bits. Can work well in fast-moving transmission.

Long Range Wireless Video Transmitter Cofdm 20w

Main Features

+ COFDM modulation, Stable transmission
+ MPEG-4 video compression, DVD video quality
+ Military aluminum housing ,Strong casing with built-in two cooling fans
+ Mobile and NLOS(Non line-of-sight) transmission
+ Great security by encryption of AES 128 bits
+ Low system latency
+ Modular design, compact structure, OEM design
+ Several wavebands available: VHF/L/ S
+ Can be customized to add additional features,such like HDMI/HD-SDI, data port, Ehernet and etc..

Product Parameter



 DC input


 Working Current 



 QPSK,16QAM,64QAM (optional)


 1/2,2/3,3/4,5/6,7/8 (optional)



 Guard Interval 

 1/32,1/16,1/8,1/4 (optional)


 138-4400MHz (available)

 RF power output


 A/V interface


 RF interface 

 N type


 ≤2dB(within full frequency range), ≤0.5dB(within 8MHz)

 Video Harmonic

 1Vp-p @ 75Ω, NTSC/PAL adaptive


 <2.0e-4< p="">

 Video Compression




 Video Rate


 Casing Protection

 IP66 (dustproof, rainproof)

 Work environment






Product Application

This special designed system is for long range distance for any AV equipments, has been widely used in Police Forces, First Responders, Security Services, Fire Services, Port Security, Homeland Security, Traffic Management, Police Technical Support Units, Special Forces, Military Command and Control Posts, Airport, Border Control, Major Incident Support.

1)Vehicle-fixed station

2) Manpack---VehicleLong Range Wireless Video Transmitter Cofdm 20w

Long Range Wireless Video Transmitter Cofdm 20w

Our Services

One year free warranty;
Three months for free spare parts (Replacement parts will be charged after a year);
24-h technical guidance;
One-stop ODM/OEM solution;
We provide professional system design and construction;
We have over 15 years experience's study, design and manufacturing in wireless microwave transmission area;
We are the professional plant source,so we can provide you high quality in best price.

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Q:What are the functions of security decoder, the main function and principle?
PTZ decoder is to control the camera lens and pan tilt and other functions of digital signals into electrical signals can be controlled by the equipment, the use of a wide range. Typically, it has several aliases: pan head decoders, cloud mirror decoders (pan head, lens decoder).
Q:Security monitoring plan how to draw? Please expert advice!! Urgent!
I drew some simple pictures before. Make the floor plan first, then insert the camera icon, and have a walking map. In the lower right corner of the diagram, you should have a legend!
Q:What line is the security monitoring power line?
Standard monitoring power line, AC DC common RVV2*1.0, RVV2*2.0.....RVV is copper core PVC insulated, PVC sheathed cable,
Q:Security monitoring project is not to build the division of electromechanical professional practice
Mechanical and electrical (including weak), municipal professional good, mainly depends on your interest and ability.
Q:Security monitoring equipment in the store to buy, then generally expensive?
Your price is certain. If it's not expensive, where will the profits come from?. But you have the best online shopping equipment buyers, the average price can be fair
Q:Does security monitoring belong to electronic products? What kind of goods does he belong to?
Sell separately, as an electronic product.In the project, do the weak electricity equipment or security equipment.
Q:Will security monitoring work be dangerous?
Generally nothing to do, monitoring contacts are weak, electricity, the work environment is generally not too bad
Q:What is the front end product of security?
The front part of the finger detection signal input devices, such as camera, microphone and so on, so it is not difficult to understand what is the end product.
Q:Consult the product that I buy, can you do monitoring?
Embedded systems running for more than 10 years, professional use has been completely divorced from the computer system, as far as we are now using mobile phones, set-top boxes, satellite receivers, radar, etc.
Q:What industry does security belong to?
Video security monitoring system, entrance and exit control system, explosion-proof security check system, etc., or electronic systems or networks that are assembled or integrated by these subsystems

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