| Compatible Brand | None |
|---|---|
| Brand | none |
| Type | accessory |
| Voltage | NA |
| Connectivity | NA |
| Compatible Model | NA |
| Features | solid state |
| MPN | NA |
| Country of Origin | United States |
| To Fit | Johnson Ranger wiring version II, Ham Radio Amplifier, Ham Radio Transmitter |
Check the listing for details. EF Johnson: Ranger Replacement integrated PTT,Bias,Keyer module.. Condition: New, Made in United States. Listed at 182.00 USD. This is an upgraded integrated module : Keyer, PTT and Adjustable Bias, replacing the old vacuum tube design. The bias rectifier has been replaced with silicon diodes, the bias circuit is adjustable and the PTT relay& relay driver is integrated.