Radio Shack PRO-63 - Manual (Page 54)

54
Intermediate Frequencies (IF):
1st . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7 MHz
2nd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455 kHz
IF Rejection (10.7 MHz) . . . . . . . . . . . . . . . . 70 dB at 154 MHz
Squelch Sensitivity:
Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . Less than 0.5
m V
Tight (VHF Lo, Hi, UHF) . . . . . . . . . . . . . . . . . . .(S+N)/N 25 dB
Tight (Aircraft) . . . . . . . . . . . . . . . . . . . . . . . . . . .(S+N)/N 20 dB
Antenna Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Ohms
Built-in Speaker . . . .1 3 / 8 Inches (36 mm), 8 Ohms, dynamic type
Audio Output Power (10% THD) . . . . . . . . . . . .240 mW Nominal
Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . +9 VDC
(6 AA alkaline batteries,
6 AA rechargeable nickel-cadmium batteries,
AC adapter (Cat. No. 273-1665),
or DC cigarette-lighter adapter (Cat. No. 270-1560))
Current Drain (Squelched) . . . . . . . . . . . . . . . . . . . . . . . . 65 mA
Dimensions . . . . . . . . . . . . . . . . . . 5 7 / 8 ¥ 2 1 / 2 ¥ 1 3 / 4 Inches HWD
(149 ¥ 64 ¥ 45 mm)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.8 Oz (250 g)
Specifications are typical; individual units might vary. Specifica-
tions are subject to change and improvement without notice.
20-561.fm Page 54 Wednesday, August 4, 1999 3:48 PM