RF frequency range: 640-690 MHz, depending on region
Operating range:
With CR4Q: 130m typical, 300m line-of-sight (outdoor, single system)
With CR4D: 150m typical, 300m line-of-sight (outdoor, single system)
Note: Actual operating range depends on RF signal absorption, reflection, and interference
Audio frequency response:
Design: 20-20,000 Hz
System limit: 40-18,000 Hz (+1dB, -3dB)
Note: Overall system frequency response depends on microphone element and system configuration
Level adjustment range:
CR4Q receiver: -3 to +3 dB
CR4S handheld transmitter: -27 to -18 dB
Modulation: FM (45kHz max deviation), digital compander system
RF output power: 40mW
Power requirements: DC 3V / 2x AA batteries
Operating temperature range: -30°C to +65°C
Dimensions: 178mm (H) x 35.5mm (Diameter)
Weight: 249g
Housing: Aluminum alloy, PA
Packaging: Color box + shipping carton