Specifications - Radio Shack PRO-650 User Manual

Marine
Ch. Frequency (MHz)
01 156.0500
05 156.2500
06 156.3000
07 156.3500
08 156.4000
09 156.4500
10 156.5000
11 156.5500
12 156.6000
13 156.6500
14 156.7000
15 156.7500
16 156.8000
17 156.8500
18 156.9000
19 156.9500
20 157.0000 / 161.6000
21 157.0500
22 157.1000
23 157.1500
24 157.2000 / 161.8000
25 157.2500 / 161.8500
26 157.3000 / 161.9000
27 157.3500 / 161.9500
28 157.4000 / 162.0000
Note: Both frequencies (transmission and reception) are
shown for marine channels used for duplex transmission.
Ch. Frequency (MHz)
63 156.1750
64 156.2250 / 160.8250
65 156.2750
66 156.3250
67 156.3750
68 156.4250
69 156.4750
70 156.5250
71 156.5750
72 156.6250
73 156.6750
74 156.7250
77 156.8750
78 156.9250
79 156.9750
80 157.0250
81 157.0750
82 157.1250
83 157.1750
84 157.2250 / 161.8250
85 157.2750 / 161.8750
86 157.3250 / 161.9250
87 157.3750 / 161.9750
88 157.4250
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Specifications

Frequency Coverage
29-54 MHz .................................................................. (5 kHz steps)/FM
87.3-107.9 MHz ................................................(100 kHz steps)/WFM
108-136.99166 MHz ..........................................(8.33 kHz steps)/AM
137-143.9875 MHz ............................................. (12.5 kHz steps)/FM
144-148 MHz .............................................................. (5 kHz steps)/FM
148.0125-150.7875 MHz .................................. (12.5 kHz steps)/FM
150.8-161.995 MHz .................................................. (5 kHz steps)/FM
162-174 MHz ........................................................ (12.5 kHz steps)/FM
380-512 MHz ....................................................... (12.5 kHz steps)/FM
Sensitivity (S+N)/N 20 dB
29-54 MHz ...................................................................................... 0.5 uV
87.3-107.9 MHz ((S+N)/N 30 dB) ................................................1.0 uV
108-136.99166 MHz .....................................................................1.0 uV
137-174 MHz .................................................................................. 0.5 uV
380-512 MHz ..................................................................................0.7 uV
Spurious Rejection (FM @154 MHz) .........................................50 dB
Selectivity
±8 kHz/±17kHz (FM/AM) .................................................. -6dB/-50dB
±80kHz/±180kHz (WFM) ................................................. -6dB/-50dB
Search Speed .......................................................Up to 80 Steps/Sec
Scan Speed ....................................................Up to 40 Channels/Sec
Delay Time.............................................................................. 2 Seconds
IF Frequencies
1st IF ........................................................................................... 10.7 MHz
2nd IF .............................................................................................455 kHz
IF Interference Ratio (10.7 MHz)..........................70 dB at 154 MHz
Squelch Sensitivity
Threshold (FM/AM) ...................................................Less than 0.5 uV
Threshold (WFM) .......................................................Less than 1.0 uV
Tight (FM) ....................................................................... (S + N)/N 25 dB
Tight (WFM) ..................................................................... (S+N)/N 60 dB
Tight (AM) ........................................................................ (S+N)/N 20 dB
Antenna Impedance ...............................................................50 Ohms
Audio Output Power (10% THD) ...............................0.7 W Nominal
Built-In Speaker ....................................... 3 Inches (77 mm), 8 Ohms
Operating Temperature ........................... 32° to 110°F (0° to 43°C)
Power Requirements............................... 9V AC Adapter (supplied)
................................................................ 9V DC Adapter (not supplied)
Dimensions (HWD) ............................................. 8.25 x 6.87 x 2.37 In
...................................................................................(210 x 175 x 60 mm)
Weight (without antenna) ...........................................24.7 oz (700 g)
Specifications and depictions are subject to change and
improvement without notice. Actual product may vary from the
images found in this document.
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