The wireless receiver shall be a diversity system with switchable frequencies in a 9.5"/1U housing. It shall provide metering for RF and audio level, a LCD which shows a frequency code, the actual frequency and the battery status of the transmitter. The wireless receiver shall have an adjustable noise sensitive squelch, tone key squelch, automatic frequency selection and volume level control. Frequency and power lockout capability should be possible and visible within the LCD.
 
RF Carrier Frequency: 554 - 865 MHz (refer to the frequency sup-plement supplied with the system)
Effective Range: 100 m under optimal conditions 
Audio Frequency Response: 25 Hz to 15 kHz (+/- 2 dB)
Dynamic Range: > 105 dB(A)
System Distortion (at 1 kHz; 38 kHz modulation): 0.3%
Power Requirements: 14 - 18 V=; max. 550 mA
Operating Temperature Range: -20° - 50° C
Overall Dimensions (HxWxD): 44 x 219 x 172 mm
Net Weight: 1020 g