Used for remote operation of HF radio set MQ-190/191, for voice or morse code communication.
Two units are required: a local unit connects to the radio, and a local switch enables connection to a remote unit or to a switchboard. A distant (remote) unit connects to the local unit by a two-wire field line, directly or through switchboard, up to 4 Km range.
Used by the British military forces during WW2, designated Wireless Remote Control Unit No. 1.
Used by the IDF during the War of Independence (1948).
Powered by four batteries BU-11 (1.5 Volts).
Weight: 10 Kg.
