Universal CTCSS unit Model : CTS20 Suitable for Mobile transceiver as following : MOTOROLA, TAIT, SEIKI, KONPRO, KG-105, KG-106, KG-110, TAD, MD150, MD80, SHINWAH, RANGER, Ham-radios 110.9Hz, 88.5Hz, YAESU, KENWOOD, ICOM..... Used MX-COM tone signalling components. 38 CTCSS tone select by Eprom programming or fixed. Pin connection : 1, +VCC (+5v or +12v) 2, Tone in (decode) 3, Rx audio in 4, Tx audio in 5, PTT (+vcc) 6, Tx audio out 7, --N.C.-- 8, Rx audio out 9, Tone out (encode) 10, Monitor (press to GND) 11, Decode out 12, GND (digital)