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Small QPSK NLOS 2KM Audio Video Wireless Transmitter Real Time Monitoring For Criminal Investigation

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City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-755-83735058-8016
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Small QPSK NLOS 2KM Audio Video Wireless Transmitter Real Time Monitoring For Criminal Investigation

Brand Name : LinkAV
Model Number : LinkAV-C328-1W
Certification : CE
Place of Origin : China
MOQ : 1
Price : usd1000-2000/pcs
Payment Terms : T/T, Western Union, MoneyGram, L/C
Delivery Time : 10-20 working Days
Packaging Details : Standard Export Packaging
FEC : 1/2/ 2/3 3/4 7/8
Modulation : COFDM
Latency : 150 ms
Constellation : QPSK (4QAM), 16QAM, 64QAM
NLOS : 2km
Guard Interval : 1/4,1/8,1/16,1/32
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Small QPSK NLOS 2KM Audio Video Wireless Transmitter Real Time Monitoring For Criminal Investigation


LinkAV 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.


LinkAV-C328-1W Mini COFDM Transmitter

can be placed in the briefcase, the live images can be transmitted to the rear people when secret visit or getting secret evidences. It is mainly used in public security,police law enforcement, video surveillances in complex environment.

COFDM Wireless Video Transmitter​ Specification

Transmission Characteristics
ModulationCOFDM
ConstellationQPSK (4QAM), 16QAM, 64QAM
Working Frequency300-900 MHz ( 900MHz-2.7GHz can be customized)
Transmission Power30 dBm
Bandwidth2/3/4/6/7/8MHz(optional)
FEC(forward error correction)1/2, 2/3, 3/4, 7/8
Guard Interval1/4,1/8,1/16,1/32
Rate3MBps~32MBps
Antenna Gain3.5dbi (Omni Antenna) (optional)
Latency150 ms
Transmission Range1km (NLOS) ~ 5 km (LOS)
Data Characteristics
Video InputHDMI (support 1080P/1080i/ 720P/ 720i…) / AV(NTSC/PAL…)
Video CompressionH.264
Audio InputAV 3.5mm interface
RF InterfaceSMA F head
Parameter Control MethodUsing digital LED control panel
Encryption256 - bit AES (can set user’s password)
Electrical Characteristics
Working VoltageDC 12V
Working Current0.9A
Power Consumption≤10W
Battery1.5 hours continuously working time
Physical Characteristics
Working Environment-10~70℃
Dimensions85 × 65 × 30 mm (without battery)
120 × 65 × 30 mm (with battery)
Weight238g (without battery)
354g (with battery)

The C328 COFDM Wireless Video Transmitter is a mini COFDM video transmitter from Wireless LinkAV,designed specifically for covert video installation applications. With proven LinkAV COFDM technology at its core, the small size and low power consumption of the C328 Transmitter make it the product of choice for covert video hides, or applications requiring long term battery power deployments,small unmanned aerial vehicles, and body-worn use. The C328 Transmitter employs low latency High Profile H.264 (MPEG-4 ) encoding for excellent image quality retention over the wireless link. Equipped with integral COFDM modulation, it is ideal for establishing rugged wireless video links in numerous environments, including mobile and urban. Offering several user-selectable modes that trade off image quality against range, it is very well suited to all mission types. Security is ensured with optional AES128/256 Encryption.C328 transmitter will transmit images in a non-line of sight environment up to 1km,depending on mode and frequency.

  • H.264 encoding and COFDM digital modulation types;
  • Real-time transmission system, delay time for end-to-end is less than 150ms;
  • Good diffraction ability, can transmit images voice stably in the condition of high speed movement and multi-path interference.
  • Strong NLOS transmission capacity;
  • 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 HDMI +3.5mm video and audio input

The LinkAV C1004 handheld COFDM receiver Specification

Transmission Characteristics
ModulationCOFDM
Working Frequency160-900 MHz ( 900MHz-2.7GHz can be customized)
Bandwidth2/3/4/6/7/8MHz(optional)
FEC(forward error correction)1/2, 2/3, 3/4,5/6, 7/8
Guard Interval1/4,1/8,1/16,1/32
Sensitivity-106dBm
Data Characteristics
Video OutputHDMI display, External Display Screen: AV Output
Video CompressionH.264/MPEG-2
Storage interfaceTF card
Antenna InterfaceN Female Head*2
Parameter Control MethodUsing digital LED control panel
Encryption256 - bit AES (can set user’s password)
Display Screen Size10.1 inch
Electrical Characteristics
Working VoltageDC 12V
Power consumption≤20W
Working Current1.5 A
Battery4 hours continuously working time
Physical Characteristics
Working Environment-10~70℃
Size300 × 200 × 30 mm
Weight1.6kg

The LinkAV C1004 handheld COFDM receiver is a fully portable addition to the range of digital video products. It contains an integrated digital receiver for using with COFDM transmitter units.
Compact, battery powered and light weight, the C1004 is designed for customers who require a discrete and completely portable surveillance solution.
The intelligent design of the C1004 reduces setup time and ensures reliable reception of video, audio and data in non line of sight conditions.
The C1004 is suitable for line of sight and non line of sight transmission. Further range may be achieved by selecting reception mode, booster amplifiers and antenna type. The unit can be combined with a variety of antennas and other RF accessories in order to achieve greater range.It is compatible with our COFDM transmitters.


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