Klein Electronics BLACKBOX-U Blackbox Professional UHF Two-Way Radio, 4 Watt power, 16 Channel and busy channel lock out, Frequency range 430~470Mhz, 2-Tone Encode/Decode 4 Watt power, 16 Channel and busy channel lock out, Frequency range 430~470Mhz 2-Tone Encode/Decode, VOX Voice activated, Voice Enunciation for each channel High/Low Power Switchable, Busy Channel Lockout, Time-out Timer (TOT) Priority Scan, 38 CTCSS/83 CDCSS, Dual Pin (Motorola) Audio Connector Includes: 1100 mAh Li-ion Battery, Rapid Rate Charger, Antenna, Belt Clip, Carry Case and User Manual