Radio Shack PRO-433 quick start Specifications

Specifications

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)
.............................................	179.7500-215.7500 MHz (in 6 MHz steps)
.........................................................	216–224.995 MHz (in 5 kHz steps)
...................................................	225-399.9875 MHz (in 12.5 kHz steps)
...........................................................	400–512 MHz (in 6.25 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)
..................................... 1240.0000–1300.0000 MHz (in 12.5 kHz steps)
Number of Banks	10
Channels	1000
Sensitivity (AM/FM/WFM):
FM	20 dB S/N at 3 kHz deviation)
29–54 MHz	0.4 μV
137–174 MHz	0.5 μV
216–225 MHz	0.5 μV
400–512 MHz	0.4 μV
806–956 MHz	0.6 μV
1240–1300 MHz	1.0 μV
AM	20 dB S/N at 60% modulation
108–136.9875 MHz	1.6 μV
225–400 MHz	1.5 μV
WFM	20 dB S/N at 22.5 kHz deviation
179.750–215.750 MHz	2.0 μV
IF Rejection (at 162.4 MHz)	80 dB
Operating Temperature
Normal	–4° to 140°F (–20° to 60°C)
Signal Stalker I	14° to 140°F (–10° to 60°C)
Scan Speed	90 Channels/Second
Search Speed:
Normal	90 Steps/Second
Hypersearch	250 Steps/Second (5 kHz step bands only)
Priority Sampling	2 Seconds
Delay Time	2 Seconds
IF Frequencies	265.55/380.75 MHz, 10.85 MHz, 450 kHz
Antenna Impedance	50Ω
Audio Output	2W maximum
Built-in Speaker	3 Inches (77 mm)
...................................................................................	8Ω Dynamic Type
Power Requirements	Supplied AC Adapter (12V DC, 500 mA)
Current Drain:
Squelched	105 mA
Full Output	460 mA
Dimensions (HWD)	2.25 x 7.35 x 6 inches (56 x 187 x 152 mm)
Weight	37 oz (1.05 kg) (without case)
53 oz (1.5 kg) (with case)

Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.

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