This automatic switch toggles two radios to one antenna. When you key the microphone on one of the radios, it switches the antenna to it. automatically. The radio stays locked onto the antenna until the automatic switch detects a transmit from the other radio. Easy!
Specifications: Frequency Range: up to 600 MHz VSR: Below 1.2:1 Power Rating: 30 W Impedance: 50 ohms Connections: SO-239 type Power Supply: 12 vDC @ 200 ma Sensing/Switching Time: Less than 100 ms