Because the max power of QYT KT-780 Plus can be 100W, please use the dedicated high power antenna that is designed for QYT-780 Plus, to avoid damage your antenna and the car radio. (Please note: The antenna is 156Mhz). PC Program DTMF function, 2 tone, 5tone ANI (Caller ID) FM Radio Single-band/Quad-standby DTMF function, 2 tone, 5tone Remote stun, remote activate, remote revive Long distance communication 100W power output. 100W(H)/50W(M)/20W(L). 16A(H)/9A(M)/6A(L). 140(W)43(H)172(D). 1 × User Manual.