walkie talkie T-969 New Product Main Features: Voice annunciation(Chinese/English) Built-in CTCSS/DCS Lock missing or low voltage alarm Accord to America army standard that testing support by MIL-810C.D.E rainwater humidity, dust and vibration impact Frequency range:400-470 MHz Radio-frequency output power: 5W Large capacity battery 1500mAhcan give call for 15 hours Channel number: 16 Rated voltage: 7.5V DC Dimension : Receiving Part Sensitivity12dB SINAD ¡Ü0.2 uV incept bandwidth ¡À7 kHz Border upon channel selection >65 dB ¡À25 kHz EIA Intermediation distortion >60 dB ¡À25k / ¡À50k / ¡À1M / ¡À2M Noise response > 60 dB Audio frequency output power 500mW