Technisonic TFM-138 Transceiver
The Technisonic TFM-138 is a frequency agile airborne VHF/FM High Band transceiver operating from 138.000 MHz to 174.000 MHz in 2.5 KHz steps, providing for either 12.5 KHz (Narrow Band) or 25.0 KHz (Wide Band) channel spacing.
The TFM-138 offers a two channel synthesized Guard Receiver (no crystals), 100 channels of preset memory, scan and priority scan, all available CTCSS tones, and can operate without restriction on any split frequency pair available within the band. Function control is via a panel mounted 12-button keypad. Operating frequency, alpha numeric identifier and other related data are presented on a 48-character, two-line LED matrix display. This transceiver weighs just 3.1 lbs, is Dzus panel mounted and is completely self contained (no heavy remote transceiver), eliminating problematic, complicated, heavy and costly R/T to control head interconnect wiring. The TFM-138 is compliant with current US Forest service contract requirements.
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