Dosy FC-50SP 6-digit frequency counter is designed for compatible AM, SSB, ham, and amateur radios without a hard-wired frequency counter connector. It measures transmit frequency from 1.8 to 50 MHz through SO-239 input and output connectors and displays readings when the microphone is keyed. Features include a bright blue LED display, momentary SSB toggle, internal tone generator and speaker, 3-foot plug-in speaker lead, professional PCB design, and 0.1 to 1V maximum RF input level in testing.
| 6-Digit Display: Bright blue LED readout supports easy frequency viewing. 1.8-50 MHz Range: Measures transmit frequency across a broad radio range. AM and SSB: Designed for compatible AM and single side-band radios. SO-239 Ports: Input and output connectors support inline coax installation. SSB Toggle: Momentary control allows side-band readings without voice input. | Tone Generator: Built-in tone generator and speaker support test functions. 3-Foot Lead: Includes plug-in speaker lead for tone generation into the mic. TX Reading: Displays frequency when the microphone is keyed for transmit. RF Input: Accepts RF signal levels from 0.1V up to 1V maximum. |