procurement of walkie talkie sets for stps, sarni. , walkie talkie sets , walkie talkie set pmr 446(license free),eta(equipment type approval) as per government guidelines with standard accessories viz battery, antenna, belt clip, charger, adapter and user manual. specifications & features: coverageapprox 5-6 km open area coverage frequency range uhf pmr 446mhz operating mode- simplex or semi duplex battery->=2500mah bis certified ,rechargeable vox (voice operated switch),digital backlit display protection class ip54,torchlight,warranty atleast 1 year 99 channels noise cancelling microphone ,busy channel lockout finely tuned antenna for weak signals operating temperature -5deg c to 50deg c standard transmitter and receiver parameters make-talk pro/alinco/kenwood/motorola or equivalent