Radio Shack 920SR Speaker User Manual


 
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body-worn transmitter: 921T
carrier frequency range/ 216.025 –216.875MHz
frequencies 16 total
modulation FM (F3E)
total harmonic distortion <1.5%
frequency response 50Hz to 12KHz
frequency stability .0005%
maximum modulation ± 25KHz, with level limiting
pre-emphasis 75µs
dynamic range 100dB
operating range >34m/110ft
dimensions (
W
x
H
x
D
) 65 x 90 x 25 mm/ 2.5 x 3.5 x 1 in
weight 51g/1.8oz
controls on/standby/off/channel selector/volume
inputs/outputs 2.5mm microphone input jack
battery NiMH rechargeable (1600mA);
alkaline disposable (2AA)
battery life NiMH rechargeable: 12 hours (approx.)
alkaline disposable: 15 hours (approx.)
recharging time 6 hours
product specifications (cont’d)
4724 Radium 216 User Guide 2/28/05 10:15 AM Page 62