DIY Kit 4-way antenna switch with enclosure. Make your own antenna switch. The design provides the best features. Tested on own assembled 2x BLF188xr full power 2KW.
I'm a FT-8 man I know what you need. The unused inputs are grounded to protect static electricity. This antenna switch has the highest isolation between the input and output of the antennas not used. Powerful OMRON 12v relays can be loaded up to 3kW PEP.
Frequency range: 0.1 - 60 MHz. The circuit board is designed to offer the best insulation and current carrying capacity. The dimensions of the case is approx 130x115 mm.Relays are controlled with positive polarity. The Kit is very easy to assemble. 1pc double sided PCB antenna switch with solder mask. For the HF (short wave) 4:1 antenna switch.
1N4007 Diodes to protect from reverse current. You can find the appropriate control unit here. Recently, several vendors with counterfeit my switches have appeared here.
My design was developed in 2011, since then several hundred of them. Have been operating around the world, without complaints. Thank you for choosing my products.