It’s perfect for switching from HF to VHF – no more unplugging coaxial lines from your antennas just to switch frequency – a quick switch does it for you. MFJ-4712 covers 1.8 MHz-150 MHz and handles 1500 Watts. Impedance is 50-75 Ohms.
The compact 4 (W) x 2 5/8 (H) x 1 1/2 (D) inch Outside Switch Box is fully enclosed and weather protected. It also has three quality Teflon (R) SO-239 connectors for the transmitter, antenna one and antenna two.
It uses a stainless steel 1 1/2 tall bracket with a U-bolt for masts up to 1 1/2 in. O.D. Inside remote control is 2 1/4 x 2 1/2 x 1 1/4 inch.