Evenlode I

Upgradable Lightweight Air Platform System

  • Custom configured for specific end-user requirements
  • Lightweight envelope
  • Designed for OEM’s, 3rd party integrators and end-users

Product Description

Evenlode I Video Transmitter. An Evenlode I air transmitter and Evenlode I ground receiver may be used to downlink dual High-Definition video, audio, GPS data and telemetry data from the air platform to the ground.

An Evenlode I System consists of the following:

  • The Evenlode Transceiver module with transmitter only license.
  • 1 x downlink antenna.
  • Suitable ground receiver with an antenna system specific to operational requirements.
  • Video Encoder capable of multiplexing video and audio onto an ASI transport stream. Low latency option available.

Technical Specifications

139 mm x 145 mm x 218 mm, 3.6 kg approx.

Power Requirements
135 W typ (L Band) 11-15, 22-30 VDC.

1.2 – 6.4 GHz; uplink and downlink channel set each within a 10% proportional bandwidth. Isolation between channel sets.

Link Mode Selection
FEC – 1/2, 2/3, 3/4, 5/6.

Guard Interval
1/4, 1/8, 1/16.


Channel Bandwidth
1.7,2,3,4,5,6,7,8 MHz.

Link Data Rate
930 kbps – 20.1 Mbps.

Data Interfaces
100/10BASE-T Ethernet and, ASI.

Network Description
Bidirectional OSI-Layer 1 network repeater/2-port hub. Terminals on either side of the Evenlode link on the same collision domain. Integral 2-port switch or routing technology to customer requirements.

GPS Input
Line-powered GPS active antenna, ARINC429 Interface or direct NMEA0183 feed also available. GPS input may also be via Ethernet port.

AES 256 (subject to export license approval) or Substitution Cipher Encryption.

Control Data
Dedicated serial control (System Control Unit optional) or via Ethernet port. The Evenlode air transceiver may also be controlled via the uplink. Control of modulation, guard interval, forward error correction, channel bandwidth, encryption, frequency.

-20° C to +55 ° C temp, 0 – 90% rel humidity non-condensing, 25,000 ft altitude operating conditions.

Tested to RTCA DO160G.

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