LICENSE FREE WALKY TALKY DEALER IN MUMBAI Stark walkie talkie SGS10S - PMR (License Free PMR Radio) Features: ◆. Output power : 0.5W ◆. Frequency Range - PMR: 446.00-446.20MHz ◆. Channel - 16 ◆. Battery - 2200mAh(Li-ion) ◆. Battery Backup - 15 to 16 hours ◆. Rating - IP65 Waterproof ◆. MILITARY STANDARD OF MIL STD 810 C/D/E/F/G.