TOA Corporation WM-4210-4220 Manuel D’Utilisation
12
Model
WM-4220
Carrier Frequency
16 frequencies (Selectable from 690 MHz and 806 MHz)
Frequency Stability
Less than 0.005%
Oscillator
Crystal-controlled PLL-synthesizer
Modulation System
Reactance modulation
RF Carrier Power
Less than 50mW
Effective Radiated Power
Less than 10mW
Maximum Input Level
125dBspl
Maximum Deviation
±40 kHz
Microphone Element
Unidirectional erectlet condenser microphone
Frequency Response
100 to 15000 Hz
Pre-emphasis 50
µsec
Antenna
Whip antenna (Internal)
Battery Type
6LR61(Alkaline 9V)
Battery Life
More than 10 hours
Current Consumption
50mA TYP.(at 9.0V)
Ambient Temperature
14°F to 122°F (–10°C to 50°C)
Tone Frequency
32.768 kHz
Controls
Power ON/OFF, Bank and Channel select,
Battery
Checker, illegal Channel
Color
Black
Dimensions
ø”1.5" X 8.76"(ø38 X 222.5mm)
Weight
0.594 lbs.(250 g) with battery
Specifications
FCC license requirement FCC
This system requires a FCC license for legal operation. Obtain the application form FCC at the address listed
on the form and mail it to the FCC after completing it, following the instructions below. When the application is
approved, the FCC will mail the license to you.
This system requires a FCC license for legal operation. Obtain the application form FCC at the address listed
on the form and mail it to the FCC after completing it, following the instructions below. When the application is
approved, the FCC will mail the license to you.