Radio Shack PRO-92 - Manual (Page 70)

70 Specifications
806–960 MHz ............................................... 0.7
µ
V
AM:
29–54 MHz ...................................................... 1
µ
V
108–136.9875 MHz ......................................... 1
µ
V
137–174 MHz ............................................... 1.5
µ
V
380–512 MHz .................................................. 2
µ
V
806–960 MHz .................................................. 2
µ
V
Selectivity:
–6 dB ......................................................... ±10 kHz
–50 dB ....................................................... ±18 kHz
Spurious Rejection (at 154 MHz FM) ................... 40 dB
Scanning Rate .............. Up to 25 Channels per Second
Search Rate ........................ Up to 50 Steps per second
Delay Time .................................................... 2 seconds
Intermediate Frequencies (IF):
1st .......................................................... 257.5 MHz
2nd .......................................................... 21.4 MHz
3rd ............................................................. 455 kHz
Priority Sampling ........................................... 2 seconds
Operating Temperature ................................ 14°–140°F
(–10°–60°C)
IF Rejection:
257.5 MHz at 154 MHz ......................................... 60 dB
21.4 MHz at 154 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) ...................... 240 mW
Built-in Speaker ............................................. 1
3
/ 8 Inches
(36 mm)
(8-Ohm, Dynamic Type)
Power Requirements:
9V DC
6 AA Alkaline Batteries
or 6 AA Rechargeable Ni-Cd Batteries
Current Drain (Squelched) .................................. 90 mA
20-522b.fm Page 70 Thursday, September 7, 2000 9:41 AM