Radio Shack PRO-90 owner manual Specifications

20-520.fm Page 62 Wednesday, August 4, 1999 3:06 PM

SPECIFICATIONS

Frequency Coverage: ........ 29–54 MHz (in 5 kHz steps)

108–136.9875 MHz (in 12.5 kHz steps) 137–174 MHz (in 5 kHz steps)

406–512 MHz (in 12.5 kHz steps) 806.0000–823.9875 MHz (in 12.5 kHz steps) 849.0125–868.9875 MHz (in 12.5 kHz steps) 894.0125–956.0000 MHz (in 12.5 kHz steps)

Channels			300
Number of Banks			10
Sensitivity (AM/FM):
NFM: 20 dB S/N at 3 kHz deviation):
29–54 MHz			0.5 μV
137–174 MHz	...............................................		0.4 μV
406–512 MHz	...............................................		0.4 μV
806–956 MHz	...............................................		0.6 μV
AM: 20 dB S/N at 60% modulation):
108–136.9875 MHz			1.5 μV
Spurious Rejection (at 40.84 MHz)			50 dB
Selectivity:
10 kHz			–6 dB
15 kHz			–50 dB
IF Rejection (at 162.4 MHz)		.................................	80 dB
Operating Temperature .. –4°to 140° F (–20°			to 60° C)
Scan Speed:
Normal		100 Channels/Second
Service		100 Frequencies/Second
Search Speed:
Normal		100 Steps/Second
Hypersearch		300 Steps/Second
Priority Sampling		2 Seconds
Delay Time		2 Seconds
IF Frequencies ...	380.7 MHz, 10.85 MHz, and 450 kHz
Antenna Impedance			50 Ohms
Audio Output		180 mW nominal into 8 Ohm
		Internal speaker
38 mW nominal into 32 Ohm Stereo Headphones
	9 mW nominal into 64 Ohm Earphone
Built-in Speaker Size		11/2-inch (36 mm)
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