Zhongchuang Technology Group Limited

LinkAV - Link your A/V wirelessly!

Focusing on Wireless Transmission for over 15 Years!

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HDMI Two Way Voice COFDM wireless video transmission With H.264

Good quality HD Wireless Transmitter for sales
Good quality HD Wireless Transmitter for sales
Everything goes well, sample tests are very success.

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After ordering from you last Sep., we want to expand our cooperation, please give me for HD solution

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I am looking forward to place an order with your company again soon.

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Hi Lara: I received the package today...thanks, looks great! I look forward to working with you. Gary

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HDMI Two Way Voice COFDM wireless video transmission With H.264

China HDMI Two Way Voice COFDM wireless video transmission With H.264 supplier
HDMI Two Way Voice COFDM wireless video transmission With H.264 supplier HDMI Two Way Voice COFDM wireless video transmission With H.264 supplier

Large Image :  HDMI Two Way Voice COFDM wireless video transmission With H.264

Product Details:

Place of Origin: China
Brand Name: LinkAV
Certification: CE
Model Number: C322, C331R

Payment & Shipping Terms:

Minimum Order Quantity: 1
Packaging Details: Standard Export Packaging
Delivery Time: 3-7 working Days
Payment Terms: Western Union, MoneyGram, T/T, L/C
Supply Ability: 100 sets per month
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Detailed Product Description
Transmitter Dimensio: 220*120*45mm (with Battery) Receiving Sensitivity: -106dBm
Parameter Control Method: Adjustable LED Digital Control Panel Guard Interval: 1/4,1/8,1/16,1/32
Receiver Power Supply: AC220V Video Compression: H.264

HDMI Two Way Voice COFDM wireless video transmission With H.264



The system can be fixed location camera (motorized) and motion tracking camera (mobile) combination, in different locations urban environment, rural environment, and mountain environment, different angles on important scenes and key parts of high-quality image capture,The captured image and sound signal transmission via radio or microwave transmission to each receiving location, and then transmitted to the command center through the other route, distribute and manage the video signal.

C331R Rack mountable COFDM HD/SD Wireless Receiver  

Product Features: 
1. Dynamic range: 20dbuv~104dbuv; 
2. Decryption style can be automatically tracked; 
3. Authorized receiving and encrypted capabilities;
4. Output Interface: A/V, USB support MODEM or Ethernet Interface;
5. Output Interface: parallel interface;
6.19" 1Ustandard  
Technical Parameters:



Modulation Type


Output Frequency

46MHz~860MHz, per 0.1MHz adjustable

Working Bandwidth


Receiving Sensitivity


Video Output

BNC interface for SD analogue output

HDMI HD digital output

Audio Output


Forward Error


Guard Interval


Video Compression


Parameter Control

Adjustable digital LED control panel

RF Interface

N Female Head

Power Supply


Encryption Method

AES 128, can set user’s password

Work Temperature


Overall Dimensions


HDMI Transmitter C322 Product Features:


  • High quality of video transmission, no mosaic, no dragging phenomenon, stable power with adjustable dynamic power;
  • Support NLOS transmission, strong diffraction capability;
  • Applied COFDM modulation technology, H.264 video compression.

Technical Parameters:



Modulation Type


Working Frequency

300-860MHZ(per 0.1M adjustable)

RF Bandwidth


Encryption Method

128 - bit AES (can set user’s password)

Parameter Control Method

Adjustable LED digital control panel

FEC(forward error correction)


Guard Interval


Video Input

HDMI:1920x1080P, up to 30FPS 

Video Compression


RFI (RF Interface)

N female head

Audio Interface

AV terminal, intercom earplugs 

RF Output Power


External(or built-in)Battery


Working Environment


Overall Dimensions



System application form: 
Overall transmission path is:

Individual soldier - communication command vehicle, individual soldier and mobile station is a two-way man moving body, it can be applied to any mobile scene mode.
Typical applications for the general scene mode:
Individual soldier - Communications command vehicle, staff from the front carrying a transmitting device and then transmit the local standard definition video signals to the communications command vehicle,communications command vehicle can be directly monitor real-time monitoring by mobile base stations.In addition, between the man and the command vehicle can real-time two-way voice intercom .
Communications command vehicle or command center can monitor through network at the same time, access PC view video and recording operations .


HDMI Two Way Voice COFDM wireless video transmission With H.264HDMI Two Way Voice COFDM wireless video transmission With H.264

Contact Details
Zhongchuang Technology Group Limited

Contact Person: sales1

Tel: +8613714176982

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