Us patent numbers – Radio Shack PRO-72 User Manual
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55
Squelch Sensitivity:
Threshold ...................................... Less than 1.0
µ
V
Tight ................................................. (S+N)/N 25 dB
Antenna Impedance ......................................... 50 Ohms
Audio Output Power (10% THD) ......... 200 mW Nominal
Built-in Speaker ................................... 1
3
/
8
Inch (36 mm)
8 ohm, Dynamic Type
Power Requirements .................. 9 V DC, 6 AA batteries
AC Adapter (Cat. No. 273-1665)
DC Adapter (Cat. No. 270-1560)
Rechargeable Battery Pack (Cat. No. 23-288)
Current Drain (Squelched) .....................................50 mA
Dimensions (HWD) .................. 6
3
/
4
Ч
2
5
/
16
Ч
1
9
/
16
Inches
(171
Ч
59
Ч
40 mm)
Weight ................................................................... 8.5 oz
(240 g)
Supplied Accessory ........................................... Antenna
Specifications are typical; individual units might vary.
Specifications are subject to change and improvement
without notice.
US PATENT NUMBERS
3,794,925
3,801,914
3,961,261
3,962,644
4,027,251
4,092,594
4,123,715
4,245,348
20-566.fm Page 55 Thursday, August 5, 1999 8:04 AM