Vehicle Receiver Module (HD) - COFDM

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Enterprise Control System

COFDM Receiver

Vehicle Receiver Module (HD)

High Definition COFDM Vehicle Receiver Module
The Enterprise Control Systems Ltd (ECS) Coded Orthogonal Frequency Division Multiplexing (COFDM) High Definition (HD) Video Link Diversity Receiver (VLDR) has been specifically designed for installation into a vehicle. The receiver is rugged, controllable and designed to operate with either aircraft or ground-based transmitters.
Vehicle Receiver Module (HD)
  • General Description
  • Technical Data

General Description

A vehicle-based, high definition receiver system consists of the Video Link Diversity Receiver-Intermediate Frequency-High Definition (VLDR-IF-HD), two line-powered Low Noise Block (LNB) downconverters and a hand held controller unit. The receiver will automatically select the matching code rate and demodulation scheme for any given input signal. Decryption is based on ‘Destinations’ and is fully automatic.

The ECS COFDM digital receiver can be used with a wide variety of covert and overt antennas.

When used with either the ECS 1 Watt or 10 Watt COFDM transmitters, the resultant encrypted video link is extremely robust and ideal for surveillance in built-up areas.
 
The VLDR-IF-HD has two IF inputs for diversity operation. This has been shown to improve link range and resilience. The receiver will choose the input with the best signal quality on a carrier-by-carrier basis and in real time. Diversity operation has been shown to provide a 6 - 8 dB link budget improvement over a single antenna receive system.
 
Mobile applications of the vehicle-based receiver system include:
• Vehicle to vehicle
• Person to vehicle
• Aircraft to vehicle.
 

Technical Data

Indicators: Power,OFDM Lock,FEC Lock,Packet Error,Signal Strength
Modulation Technique: Coded Orthogonal Frequency Division Multiplexing
IF Input Range: 300 to 800 MHz
Noise Figure: 2 dB typ including the LNB
Input Sensitivity: -92 dB min (RF sensitivity including front end LNB)
-95 dB min (IF input sensitivity into the receiver)
Encryption: Substitution Cipher or, AES 256-bit (AES is subject to export licence approval)
Forward Error Correction: Reed Solomon, Viterbi interleaving, outer leaving and convolutional encoding. 1/2 or 1/3 code rates.
Input Voltage Range: 11 - 15 VDC 12 V nom
Current Consumption: VLDR-IF-HD: 2.6 A nom at 12 V DC
Working Temperature Range: -20ºC to +55ºC
Working Humidity Range: Up to 90% relative humidity, non-condensing
Storage Temperature Range: -20ºC to +70ºC
Dimensions: 215 x 228 x 55 mm
Mass: 2.5 kg.