The S 157-RF is a desk stand with fully programmable touch pad for PTT, PTM & Latching modes, 5 pin female XLR plug is provided. A 7 pin male socket mounted on the rear of the product is provided for output connection, finished in satin black. Desk stand with fully programmable touch pad for PTT, PTM & Latching modes. A red led indicator illuminates when a microphone is live. Power requirements 48 Volt Phantom supply. A female 5 pin XLR plug is provided for input connection (can be used to operate Clockaudio halo microphones) and 7 pin female socket mounted on the rear of the product is provided for output connection. The S157 is fully protected against RF interference which will eliminate all GSM frequencies from 800-1200 MHz.