JUENTAI JT-UV71 Dual-band 136-174/400-520 Mhz Dual PTT DTMF CTCSS/DCS Fm Ham Dual Band Two Way Radios The World First Dual PTT Two Way Radio Channel Step: 2.5/5/6.25/10/12.5/25KHz Frequency Range: 136-174 / 400-520MHz DTMF Ani 128 Channels 50 CTCSS and 104 CDCSS Dual-Band Display, Dual Freq. Display Dual-Standby