Radio Shack PRO-72 owner manual 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)

UHF Hi

806–824 MHz (in 12.5 kHz steps)

849–860 MHz (in 12.5 kHz steps)

894–960 MHz (in 12.5 kHz steps)

Channels of Operation:

............................... 50 Channels

and 1 Monitor Memory

Sensitivity (20 dB....................................................S/N):

1.0 μV

29–54 MHz

137–174 MHz

1.0 μV

380–512 MHz

1.0 μV

806–960 MHz

2.0 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