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Military Backpack Portable COFDM Transmitter Two Way Voice Intercome 256 - bit AES Encryption

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Military Backpack Portable COFDM Transmitter Two Way Voice Intercome 256 - bit AES Encryption

Country/Region china
City & Province shenzhen guangdong
Categories Tobacco

Product Details


Military Backpack Portable COFDM Transmitter Two Way Voice Intercome 256 - bit AES Encryption


COFDM Video transmitter Anti-electromagnetic interference performance:
It has superior performance against frequency selective fading or narrow bandwidth interference and signal waveform interference. It has strong anti-fading ability, through each subcarrier joint coding. In single carrier system(digital microwave, spread spectrum system, etc), single decline or interference will result in all communication link failure. But in multiple carrier COFDM system, only a few subcarriers will be interfered What’s more, these sub-channel can adopt ECC to correct error, to guarantee the transmission low error rate.


COFDM Video transmitter Anti-multipath fading:
It can confront signal waveform interference effectively; suitable for multi-path environment and fading channel high-speed data transmission. When the frequency selective fading appear in the channel because of multi-path transmission, only the sub-carrier, which fell over the band depression, and the information carried will be affected. Other sub-carriers will not be affected. Thus, the system total error rate performance will be much better.


Portable COFDM Transmitter System Application:

This military backpack system is special for man-portable transmitter enter into the area of the incident to gather information and signal transmission when in the condition of heavy obstacles, such as many building barriers, severe electromagnetic interference, remote mountain town or other harsh environments, which cause command vehicle can’t directly reach the site and forced to parked in vicinity.


LinkAV C322 TX+ LinkAV C331R RX Application:

The transmission path is: Manpack Video Transmitter C322 TX-1U vehicle mounted COFDM Wireless receiver C331R RX(Military police mobile vehicle with two way voice intercom,datas transmission,NLOS mobile video/datas transmission).

Communication vehicle - local command center - end command center. The local command center directly through the MAN or WAN transmission to the end command center, The command center can monitor the video signal through the monitor in real time,at the same time can use the network monitoring, access PC to browse video and video and other operations.


LinkAV C322 TX Portable COFDM Transmitter Specification:

The C322 transmitter is a body-worn dual audio COFDM video transmitter from Wireless LinkAV, it supports two way voice intercom, designed specifically for government surveillance, law enforcement, military command, emergency rescue, border control, internal security, critical infrastructure protection, maritime surveillance video transmission applications.

With the leading COFDM technology and H.264 encoder technology, the C322 transmitter enables viewers high definition images ideal for establishing rugged wireless video links in all complex environments including mobile and urban/ mountain /sea environments.

The C322 transmitter is ideal for applications requiring long term battery power deployments and Voice intercom, it employs low latency High Profile H.264 (MPEG-4 ) encoding for excellent image quality retention over the wireless link. It is very well suited to all mission types. Security is ensured with AES256 encryption. C321 transmitter can transmit images in a non-line of sight environment up to 2-5km, depending on mode and frequency.


Transmission Characteristics
ConstellationQPSK (4QAM), 16QAM, 64QAM
Working Frequency300-900MHz( 900MHz-2.7GHz can be customized)
Transmission Power33dBm/37dBm( adjustable)
FEC(forward error correction)1/2, 2/3, 3/4, 7/8
Guard Interval1/4,1/8,1/16,1/32
Antenna Gain3.5dbi (Omni Antenna) (optional)
LatencyLess than 150 ms
Transmission Range2-5km (NLOS) ~ 15-30 km (LOS)
Data Characteristics
Video InputHDMI (support 1080P/1080i/ 720P/ 720i…) / AV(NTSC/PAL…)
Video CompressionH.264
Audio InputIntercom earplugs
RF InterfaceN Female head
Audio interfaceK head intercom earplugs /Handheld microphones
Data interfaceMicro USB
Parameter Control MethodUsing digital LED control panel
Encryption256 - bit AES (can set user’s password)
Electrical Characteristics
Working VoltageDC 12V
Working Current1.5A
Power consumption≤20W
Battery5 hours continuously working time
Physical Characteristics
Working Environment-10~70℃
Dimensions170 × 120 × 45 mm (without battery)
220 × 120 × 45 mm (with battery)
Weight1.2kg (without battery)
1.78kg (with battery)


Product Feature:

  • High quality digital video processing ,H.264 encoding and decoding;
  • COFDM digital modulation technology and H.264 image compression technology.
  • Real-time transmission system, delay time for end-to-end is less than 150ms;
  • Good diffraction ability, can transmit video/audio/data stably in the condition of high speed movement and multi-path interference.
  • Strong (NLOS) Non-light of sight transmission capacity;
  • Customized transmitting power 2~5W;
  • Large broadband output power (2W),adjustable power, Long distance transmission;
  • Spatial diversity reception ability, support high-speed up to 500 km/h mobile transmission.
  • Stable signals, image clear and stable, has no mosaic or drag phenomenon.
  • Support two-way voice Intercom, and comes with PTZ control and data transmission;
  • Small volume, light weight, easy to installation and operation.
  • Low power consumption, excellent heat dissipation, working temperature≤45℃;
  • Patented Integrated design, built-in battery and outside core power interface;

LinkAV-C331R 1U vehicle-mounted COFDM Wireless Receiver

1U Vehicle-mounted COFDM Wireless Receiver LinkAV-C331R can get transmitters’video and audio signals from different frequencies,Video ouput support to connect with external display. Optional digital radio function to achieve the two - way voice communications between the transmitter and LinkAV-C331R 1U Cofdm receiver.Widely used in security, civil defense, civil defense, fire, emergency rescue departments and forest fire prevention, transportation, customs, railways, oil, mining, water, electricity, finance, television and other important sectors.

Transmission Characteristics
ModulationCOFDM QPSK(4QAM),16QAM,64QAM
Working Frequency160-860 MHz ( adjustable 0.5M per step)
FEC(forward error correction)1/2, 2/3, 3/4, 7/8
Data Characteristics
Video Output

CVBS: NTSC, PAL adaptive

HDMI 1080P @ 30

Audio outputBNC interface, analog stereo output
Video CompressionH.264/MPEG-2
Antenna InterfaceN type (50Ω), high-performance dual-channel diversity receiver
Parameter Control MethodUsing digital LED control panel
Encryption128 - bit AES (can set user’s password)
Storage InterfaceUSB
Data InterfaceRS232
Electrical Characteristics
Working VoltageDC 12V/AC220V
Power consumption≤20W
Working Current≤1.55A(@12V)
Physical Characteristics
Working Environment-10~70℃
Shape1 U

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