Radio Shack PRO-93 - Manual (Page 82)

82
Specifications
806–960 MHz ..................................................................... 2
µ
V
1240–1300 MHz ................................................................. 3
µ
V
Selectivity:
25 – 27.995 MHz at AM mode
-6 dB.............................................................................. +/-5 kHz
-50 dB ............................................................................ +/-6 kHz
All frequencies except 25 - 27.995 MHz at AM and FM mode
-6 dB ............................................................................ +/-10 kHz
-50 dB .......................................................................... +/-18 kHz
Spurious Rejection (at 154.1 MHz FM) ............................ 40 dB
Scanning Rate .......................... Up to 60 Channels per Second
Search Rate ................................... Up to 75 Steps per Second
Delay Time ................................................................ 2 seconds
Intermediate Frequencies (IF):
1st ............................................................................. 380.8 MHz
2nd ............................................................................. 21.4 MHz
3rd................................................................................. 455 kHz
Priority Sampling ........................................................ 2 seconds
Operating Temperature ..........................................-14 to 140° F
............................................................................. (-10 to 60° C)
IF Rejection
380.8 MHz at 154.1 MHz................................................. 60 dB
21.4 MHz at 154.1 MHz ................................................. 100 dB
Squelch Sensitivity:
Threshold (FM and AM) ................................................... 0.5
µ
V
Tight (FM) ......................................................................... 25 dB
Tight (AM)......................................................................... 20 dB
Antenna Impedance .................................................... 50 Ohms
Audio Output Power (10% THD) .................................. 170 mW
Built-in Speaker ........................................................ 1 3 / 8 Inches
(36 mm)
(8-ohm,Dynamic Type)
Power Requirements:
Batteries ................................................ 4 AA Alkaline Batteries
or 4 AA Rechargeable Ni-MH Batteries
External Power ................................................................ 9V DC