Radio Shack PRO-71 - Manual (Page 41)

41
SPECIFICATIONS
Frequency Coverage:
VHF Lo ........................................... 29–50 MHz (in 5.0 kHz steps)
6-Meter Ham .................................. 50–54 MHz (in 5.0 kHz steps)
Aircraft ............................... 108–136.975 MHz (in 12.5 kHz steps)
VHF/Government ....................... 137–144 MHz (in 5.0 kHz steps)
2-Meter Ham .............................. 144–148 MHz (in 5.0 kHz steps)
VHF Hi ........................................ 148–174 MHz (in 5.0 kHz steps)
UHF .......................................... 406–512 MHz (in 12.5 kHz steps)
Channels of Operation .......................... Any 100 channels in any band
combinations (10 channels
×
10 banks)
and 10 monitor channels
Sensitivity (20 dB S/N with 60% modulation for AM;
3 kHz deviation for FM):
29–54 MHz ......................................................................... 0.4
µ
V
108–136.975 MHz .............................................................. 2.0
µ
V
137–174 MHz ..................................................................... 0.6
µ
V
406–512 MHz ..................................................................... 0.5
µ
V
Spurious Rejection:
40.84 MHz ........................................................................... 37 dB
162.4 MHz ........................................................................... 20 dB
Selectivity:
10 kHz .................................................................................. –6 dB
17 kHz ................................................................................ –50 dB
IF Rejection (at 162.4 MHz) ......................................................... 75 dB
Limit Search Speed/Direct Search Speed ...................... 20 Steps/Sec.
Scan Speed .............................................................. 17 Channels/Sec.
Priority Sampling ................................................................. 2 Seconds
Delay Time (Automatic) ....................................................... 2 Seconds
IF Frequencies ................................................. 21.4 MHz and 450 kHz
Antenna Impedance .............................................................. 50 Ohms
Audio Power:
FM ................................................................... 230 mW Maximum
AM ................................................................... 250 mW Maximum
Built-in Speaker .................. 1 7 /
16
-inch (36-mm) 8-Ohm, Dynamic Type
Power Requirement ......................................... +6 VDC, 4 AA batteries
AC Adapter (Cat. No. 273-1665)
DC Adapter (Cat. No. 273-1810)
20-311a.fm Page 41 Friday, February 12, 1999 4:51 PM