Radio Shack Pro-71 owner manual Specifications

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 μV
108–136.975 MHz		2.0 μV
137–174 MHz		0.6 μV
406–512 MHz		0.5 μV
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	17/16-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)

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