The S 155-RF is a desk stand with fully programmable touch pad for PTT, PTM & Latching modes and A male 5 pin XLR plug is provided for input connection and 5 pin female 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 and 5 pin male socket mounted on the rear of the product is provided for output connection. The S155 is fully protected against RF interference which will eliminate all GSM frequencies from 800-1200 MHz.