Pmr radio number of radios 2 purpose of use free time functions scan function ivox internal voice operated transmission voice activation vox funtion roger beep splashproof ptt key push to talk noise squelch automatic uhf frequency range 446 mhz channels 8 pmr transmission power 05 watt range 10 000 m power supply rechargeable battery low battery indicator level operating voltage 230 v colour grey ring tones 10 weight 140 g dimensions w x