Evenlode II

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 II Video Transceiver. Evenlode II air equipment may be used to extend the range of a downlink via a relay system. An Evenlode II air transceiver and Evenlode II ground transceiver provides optional two-way video, audio, GPS and serial telemetry data capability.

Evenlode II System adds the following:

  • The Evenlode Transceiver module.
  • 2 x Aircraft uplink antennas.
  • 1 x Transmit Antenna
  • 2 x Low Noise Block downconverters (LNB) for diversity reception and RF output Receive Filter.
  • Suitable ground transceiver with an antenna system specific to operational requirements.
  • Upgrade to convert ground receiver rack to transceiver rack including mast mounted transmit amplifier and antenna.

Technical Specifications

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

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

Frequency
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.

Modulation
QPSK, 16QAM.

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.

Encryption
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.

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

Certification
Tested to RTCA DO160G.

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