System Features: High-band VHF (170-216 MHz) operation for interference-free performance Advanced companding circuitry for a wide dynamic range (no overloading for loud inputs or background hiss during quiet use) Full frequency response from 40-20,000 Hz 250 ft. typical operating range, up to 500+ ft. line-of-sight DKW-1 mini portable receiver with unique space-saving, vertical design and Power On/Off switch; ¼” audio ...