User Manual
MT-4E VHF & UHF Receiver & Transmitter Instruction Manual
IM08-MT-4E-TXRX Project 1106
General Information
2
Secure Communications
The Receiver and Transmitter are capable of decoding and encoding secure communications if a
DES-OFB/AES encryption module is installed. To successfully decode or encode a transmission, the
encryption module must be programmed with a valid encryption key using the Motorola KVL 3000+
or KVL 3000 Keyloader in conjunction with a Daniels Keyloader Cable. The Daniels Keyloader cable
plugs into the front panel RJ45 jack on the front of the Receiver or Transmitter module. For correct
keyloading, the KVL must be setup to operate using ASN mode. ASN Mode is the default mode of
the KVL 3000 and an optional mode of the KVL 3000+. Consult the instructions for the Keyloader
for details on loading a key. A loaded key may be cleared by pulling rst the CLEAR KEYS 1 then
the CLEAR KEYS 2 inputs to ground 500ms apart. Alternately, the CI-BC-4E Base Controller may
be used to clear the keys for all modules in a system with a single key press of the switch marked
ZEROIZE KEY. The CI-BC-4E Base Controller can also be used to control whether the transmitter
outputs a secure or a clear signal.
Firmware Upgrades
Receiver and Transmitter rmware upgrading is performed with the PC-based Firmware Upgrade
software. A type A to 5 pin mini-type B USB cable is used to connect the USB port of an IBM
compatible computer to the USB port on the front panel of the Receiver or Transmitter module.
Firmware upgrades can be found on the Daniels Electronics Ltd. website at www.danelec.com.
MT-4E Receiver Family Models
There are eight models in the MT-4E Receiver family covering the 136 to 174 MHz, 406 to 430 MHz,
450 to 470 MHz and 470 to 520 MHz bands while operating in 12.5 kHz, 15 kHz, 25 kHz, or 30 kHz
occupied channel bandwidths. The receivers are classied as Class A or Class B. The eight models
are as follows:
VR-4E150-A0-000 synthesized, 136-174 MHz band, 12.5/15/25/30 kHz channels; Class A
UR-4E420-A0-000 synthesized, 406 - 430 MHz band, 12.5/15/25/30 kHz channels; Class A
UR-4E460-A0-000 synthesized, 450 - 470 MHz band, 12.5/15/25/30 kHz channels; Class A
UR-4E500-A0-000 synthesized, 470 - 520 MHz band, 12.5/15/25/30 kHz channels; Class A
VR-4E150-00-000 synthesized, 136-174 MHz band, 12.5/15/25/30 kHz channels; Class B
UR-4E420-00-000 synthesized, 406 - 430 MHz band, 12.5/15/25/30 kHz channels; Class B
UR-4E460-00-000 synthesized, 450 - 470 MHz band, 12.5/15/25/30 kHz channels; Class B
UR-4E500-00-000 synthesized, 470 - 520 MHz band, 12.5/15/25/30 kHz channels; Class B
UR-4E800-A0-000 synthesized, 799 - 824 MHz band, 12.5/25 kHz channels; Class A
UR-4E850-A0-000 synthesized, 851 - 869 MHz band, 12.5/25 kHz channels; Class A