The TXL-446PM is ideal for both commercial and consumer use. License free two way radio Frequency: 446.00625-448.09375MHz Compander Sound 38 CTCSS + 104 DCS Long Range Flexible Rubber Antenna Rotary Volume Switch Semi Quick Charger Number of Channels: 8 Power Supply: 3.6V DC Antenna Impedance: 50ohms Channel Spacing: 6.25KHz Operating Temperature Range: -20 to 55 degrees Dimensions (H x W x D w/o antenna): 93 x 57 x 31mm Weight (with AA Battery): 180g Battery Life (Based on 5:5:90,TX:RX:ST-BY) with AA Battery: 15 hours