PRO-41  (200-0301)             Specifications           Faxback Doc. # 8554

Frequency Coverage:

VHF-Lo..........................................29-50 MHz (in 5 kHz steps)
Ham.............................................50-54 MHz (in 5 kHz steps)
Government....................................137-144 MHz (in 5 kHz steps)
Ham...........................................144-148 MHz (in 5 kHz steps)
VHF-Hi........................................148-174 MHz (in 5 kHz steps)
Ham/Gov't..................................406-450 MHz (in 12.5 kHz steps)
UHF-Lo................................... .450-470 MHz (in 12.5 kHz steps)
UHF-Hi ("T")...............................470-512 MHz (in 12.5 kHz steps)
Channels of Operation.            Any 10 channels in any band combinations
Sensitivity (FM:20 dB Signal-to-Noise ratio at 3 kHz deviation):
29-54 MHz.......................................................0.3 microV
137-174 MHz.....................................................0.7 microV
406-512 MHz.....................................................0.7 microV

Selectivity:

+/- 10 kHz...........................................................-6 dB
+/- 17 kHz..........................................................-50 dB

IF Rejection:
10.85 MHz.................................................45 dB at 155 MHz
Scanning Rate.............................................10 channels/sec.
Delay Time.......................................................3 seconds
Modulation acceptance............................................+/-12 kHz
IF Frequencies.......................................10.85 MHz and 450 kHz
Filters..................................................1 crystal filter,
                                                          1 ceramic filter

Squelch Sensitivity:

Threshold.............................................Less than 1.8 microV
Tight......................................................(S + N)/N 15 dB
Antenna Impedance..................................................50 ohms
Audio Power.................................................260 mW nominal
Built-In Speaker...............1 2/3 inches (4.2 cm) 7.2 ohm, dynamic type

Power Requirements:

DC...................................5-AA Batteries 7.5 VDC (not included)
              or 5-AA Rechargeable Ni-Cad Batteries 6.0 VDC (not included)
AC..............................AC Adapter Cat. No.273-1652 (not included)

Current Drain:

Squelched............................................................35 mA
Full Volume Unsquelched.............................................110 mA
Dimensions.................................7 x 2 5/l8 x 1 3/8 inches (HWD)
                                                         178 x 67 x 35 mm)
Weight.....................................................11.2 oz (298 g)

(br/all-8/9/94)