Wireless headset RCR1,RCR2,RCR3

Standard (RCR1), squelched (RCR2) and digital (RCR3) covert wireless earpiece for use in a covert surveillance environment. Key Benefits: Uses 10AE Zinc Air battery (RCR-3) Squelch gate to reduce interference (RCR-2) Automatic gain control (RCR-3) Audible low battery indicator (RCR-3) Technical Information: WEIGHT: 1.5g including battery SIZE: 20mm long / end-plate oval shape 10 x 12mm TYPICAL BATTERY LIFE: > 80 hours depending on use OUTPUT SPL: 100dB COLOUR: available in 3 shades: beige, brown and dark brown FREQUENCY RANGE: 300 - 5000Hz IEC118-1 DISTORTION: Less than 3% MAXIMUM OUTPUT SOUND PRESSURE LEVEL: 100 dB ±2dB BATTERY: 1.45 VDC 10AE Zinc Air MINIMUM OPERATING VOLTAGE: 1.1VDC SENSITIVITY: 78dB@2kHZ - 10mA/M AMPLIFIER: Customised hybrid WAX FILTER TYPE: Replaceable mesh filter OPERATING TEMPERATURE RANGE: -10°C to 40C CE CONFORMITY: 89/336/EWG-electromagnetic compatibility