Walkie talkie typeanolog handheld accessories typeprogramming cable headset earphone microphone power cable charger adapter battery clip cord antenna maximum range3km 5km frequency range400 520mhz 136 174mhz channel capacity128 output power w5 functionkill monitor voice prompt keylock lcd display power saving function patrol record priority channel scan pc software programmable auto transpond dual standby emergency alarm talk around dual display fm radio reverse frequency dua