Portable 1W 300-900Mhz COFDM Transmitter , wireless video transmisison Small size
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Portable 1W 300-900Mhz COFDM Transmitter , wireless video transmisison Small size
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Basic Infomation
Place of Origin: China
Brand Name: LinkAV
Certification: CE,FCC
Model Number: LinkAV C321-1W
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cofdm video transmitter


wireless av sender

Payment & Shipping Terms
Packaging Details: standard package
Payment Terms: L/C, D/A, D/P, T/T, Western Union,paypal
Name: Wireless Video Transmisison Cofdm Transmitter
System: PAL/NTSC
Working Voltage: DC12V
Working Current: 1,5A
Working Frequency: 300-860 MHz ( Adjustable 0.1M Per Step)
Bandwidth: 1.25/2.5/6/7/8MHz(optional)
FEC(forward error correction): 1/2, 2/3, 3/4, 7/8
Video Input: BNC Or RCA
Video Compression: H.264
Transmission Range: 2km (NLOS) ~ 8 Km (LOS)
Product Description

Portable 1W 300-900Mhz COFDM Transmitter , wireless video transmisison Small size

The transmitter is with clear and stable image,intergrated design,double battery,perfect for NLOS transmission and mobile applications.



Wireless video transmission Characteristics:

  • Working frequency can be adjustable between 300MHz and 900MHz;
  • High quality digital video processing , H.264 coding and encoding
  • COFDM digital modulation types;
  • Real-time transmission system, delay time for end-to-end is 150ms;
  • Great action ability, can transmit images voice stably in the condition of high speed movement and multi-path interference.
  • Strong NLOS (non-line of sight) transmission capacity;
  • Customized transmitting power 2~5W;
  • Long distance transmission;
  • Spatial diversity reception ability, support high-speed mobile transmission.
  • Stable signals, image clear and stable, has no mosaic or drag phenomenon.
  • Small volume, light weight, easy to installation and operation.
  • Support adjustable frequency (the frequent segment can choose UHF, 1.9 G~2.4GHz.


Wireless video transmission Technical Parameters:


Item Description
Modulation Type QPSK(4QAM),16QAM,64QAM
Working Frequency 300-900MHZ(per 0.1M adjustable)
RF Bandwidth 2/3/4/5/6/7/8MHz(optional)
Encryption Method 256 - bit AES (can set user’s password)
Parameter Control Method Adjustable LED digital control panel
FEC(forward error correction) 1/2,2/3,3/4,7/8
Guard Interval 1/4,1/8,1/16,1/32
Video Input HDMI:1920x1080P, up to 30FPS
Video Compression H.264
RFI (RF Interface) N female head
Battery 5 hours continuously working time
RF Output Power 31dBm
External(or built-in)Battery DC12V/1.55A
Working Environment -10~70℃
Overall Dimensions 150*120*45(mm) or 200*120*45(mm) with battery



Portable 1W 300-900Mhz COFDM Transmitter , wireless video transmisison Small size 0


Wireless video transmission Applications:


Our main products are COFDM, TDD and 4G wireless video transmitter & receiver, which are widely used in city security, police forces, forest fire prevention surveillance, harbor wharf video surveillance, construction sites surveillance, tunnel, oil field, UAV, automobile surveillance, 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 etc.




Zhongchuang Technology has over 12 years experience in wireless transmission area. With a group of professional technical engineers. We provide OEM & ODM wireless transmission & monitoring service better.

We specialized in COFDM, TDD and 3G/4G wireless video transmission equipments, including video wireless transmitter, wireless transmitter and receiver, wireless audio video transmitter receiver, wireless UAV transmitters.

From 2005 until now, we have provided thousands of solutions in wireless monitoring successfully. Our equipments are widely used in City Public Security Bureaus, Forest Fire Prevention surveillance, Harbor wharf video surveillance ,Maritime Bureaus, Oil Field, Construction Sites, Tunnels, UAV, Automobiles and so on..



More questions:


1. Are you a manufacturer or a trading company?
We're professional manufacturer specializing in wireless video transmission.


2. Why should I choose you?
You'll get competitive price, prime quality, satisfied service and long warranty.


3. What kind of product service can I have?
OEM & ODM service.


4. What kind of warranty do you offer?
One year warranty and lifelong maintenance on our products.


5. What're the payment terms?

We accept bank transfer, western union, money gram, paypal, Bank of China or cash as payments.


6. Packaging & Shipping?
Standard export packaging. Ship by express DHL, UPS, EMS, TNT, Fedex, or by air/sea.


7. How long for delivery?
1-3 weeks (regular model), 3-5 weeks (customized model).

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Get in touch with us
Contact Person : Mr. Gordon Gong
Tel : 0086 15817349508
Fax : 86-755-83735058
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