Radio Shack BTX-123 ユーザーズマニュアル
19
Specifications
Transmitter
Frequency Coverage ...................................................... 152.255–156.250 MHz
Frequency Tolerance ............................................................................ ±1.5 kHz
Type of Modulation ........................................................................................ FM
RF Power ........................................................................................... 1 W (high)
0.6 W (low)
Deviation ................................................................................................. ±5 kHz
Spurious Rejection .................................................................................... 45 dB
Minimum Operating Voltage .................................................................. 6.5 Volts
Current Drain ........................................................... 500 mA (high power mode)
Receiver
Sensitivity (SINAD 12 dB) ........................................................................ 0.5
µ
V
Signal-to-Noise Ratio (20 dB) ................................................................. . 1.0
µ
V
AF Power Output ................................................................................... 250 mW
Adjacent Channel Rejection ...................................................................... 50 dB
Squelch Sensitivity (Start) ........................................................................ 0.5
µ
V
Stop Voltage .......................................................................................... 6.5 Volts
Distortion (1 mV Input, 3 kHz Deviation) ...................................................... . 5%
General
Power Requirements ...................................................................... 8.4 Volts DC
Antenna Length ................................................................................ 5
7
/8 Inches
(150 mm)
Dimensions (HWD) .................................................... 2
1
/2
×
1
1
/2
×
6
1
/3 Inches
(65
×
35
×
160 mm)
Weight ..................................................................................................... 15.5 oz
(439 g)
Specifications are typical; individual units might vary. Specifications are subject
to change and improvement without notice.
to change and improvement without notice.