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4O3A Cable and Connectors
4O3A USB to RS-485 Adapters
4O3A USB to RS-485 Adapters are a compact, level converter designed to convert USB serial data into a bipolar RS-485 signal, enabling long-distance communication thanks to its symmetrical signal levels. Commonly used to connect the Rotator Genius magnetic compass to a PC for calibration or sensor data retrieval, this adapter is powered directly via USB and requires no external power supply.
Not Yet Reviewed
$29.99
4O3A Adapters for NC-1 MC-1 Boom Mic Headsets
4O3A Adapters for NC-1 MC-1 Boom Mic Headsets are essential for adapting the MC1 red 3.5mm microphone plug to the connector on your Icom, Kenwood or Yaesu transceiver. The red coded mic cable plug goes to the 3.5mm female jack on the adapter cable. The green coded headphone plug goes to the 3.5mm female headphone jack (or adapter) on your transceiver. The 8-pin round mic connector on the adapter cable plugs into the microphone jack on your transceiver. The 1/4 in. the female jack on these adapter cables are for connecting a Push-To-Talk (PTT) footswitch or hand switch, both are sold separately. Without a PTT footswitch or hand switch, your radio can still be used in VOX mode. A Y-Adapter (O3A-4O-3-5MAFEST) is also available to connect the NC-1 headset to the TRRS headphone/mic jack of a mobile device or other electronics. NOTE: These adapters do not come with the NC-1 headset. Each are sold separately.
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$33.99
4O3A Coaxial Connectors
4O3A Coaxial Connectors deliver exceptional quality and performance for RF applications, featuring right-angle connectors compatible with RG-58 and RG-213/U coaxial cables. Available in both PL-259 and Type-N male configurations, these 50-ohm connectors ensure reliable signal transmission. Each connector includes a clamped shield, and a removable access cap for easy soldering of the center pin. With these features, 4O3A Coaxial Connectors are ideal for demanding amateur radio, broadcast, and communication installations.
Not Yet Reviewed
$29.99