Check the listing for details. PICKERING 10-785A-521 SINGLE 6 CHANNEL MICROWAVE MUX 50 OHM SMA. Condition: Used, Made in United States. Listed at 213.48 USD. This lot is for onePickering 10-785A-521 Single 6 Channel Microwave Mux 50 Ohm SMA. This unit will arrive in the condition shown. A signed credit card authorization form is required for all orders paid with credit card.