Radio Shack PRO-70 owner manual Specifications

20-310.fm Page 52 Wednesday, August 4, 1999 10:49 AM

SPECIFICATIONS

Frequency Coverage:
Ham	29–30 MHz (5.0 kHz steps)
VHF Lo	30–50 MHz (5.0 kHz steps)
Ham	50–54 MHz (5.0 kHz steps)
Government	137–144 MHz (5.0 kHz steps)
Ham	144–148 MHz (5.0 kHz steps)
VHF Hi	148–174 MHz (5.0 kHz steps)
Ham/Government ....	380–450 MHz (12.5 kHz steps)
UHF Lo	450–470 MHz (12.5 kHz steps)
UHF Hi (T)	470–512 MHz (12.5 kHz steps)
Channels of Operation:	50 Channels
	and 1 Monitor Memory
Sensitivity (20 dB S/N):
29–54 MHz	1.0 μV
137–174 MHz	1.0 μV
380–512 MHz	1.0 μV
Selectivity:
±10 kHz	–6 dB
±18 kHz	–50 dB
Spurious Rejection:
29–54 MHz	50 dB at 40 MHz
137–174 MHz	50 dB at 154 MHz
Scanning Rate	Up to 25 channels/second
Search Rate	Up to 50 steps/second
Delay Time	2 seconds
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 1.0 μV
Tight	(S+N)/N 25 dB
Antenna Impedance	50 Ohms
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