LT-25 VHF:136-174MHz or UHF:400-480MHz, 16 channels; Operation Mode Simplex; 550g; Without antenna 175x75x38mm; 12.6V Battery 4000mA (Li-Ion); Power 5W/10W/25W max Tx current 3.5A; Sensitivity ≤0.18µV; Audio Power ≥500mW; No standard ctcss/dcs;Three user-defined keys, Auto powert off, opening tone. Fan-cooled with temperature.