W2203 series wireless 1e to N microphone
Chairman Unit W2203 (Dry cell battery)
Parameter
Use frequency: 640-700MHz
WIFI frequency: 430-490MHz
Frequency response: 50Hz-15MHz
Frequency accuracy requirement: ±10MHz
Transmit power: 10mW
Operating voltage: DC4.5V
Working current: 120mA
Reference speaking distance: 20cm-40cm
Operating Temperature: -10°-40°
Conference seat size: 130*115*52mm
