Long range heavy duty 2 way radios; high power provide strong penetrating power make sure that you can communicate between buildings and keep sounds real; high gain antenna enhances radio signal

RT29 high power radios are specifically designed for large commercial environments; channels are pre-set with CTCSS DCS to reduce unnecessary transmissions and therefore cannot talk directly to other brands of radios; if you need to talk to other brand walkie talkies; please contact us via Amazon mail; we will offer firmware for you

Built in 3200mAh battery capacity delivers up to 30 hours of battery life for 3-shift working; more than 250 hours standby time and meet standard work shift use time

Power saving mode can extend the use time of the walkie-talkie; low battery warning will remind you to charge in time

Well solid build that meets military standards can withstand long run of friction and use; can withstand an accidental drop of two meters

50 non-standard CTCSS and 232 DCS in each channel to prevent unnecessary chat; squelch can reduce the noise in the surrounding environment

The VOX function can easily help increase productivity by keeping users connected and free to concentrate on the job at hand; you need to change the settings of the side buttons through the computer first to use vox directly