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SPECIFICATIONS
RECEIVER
Frequency Response (1 kHz, 0 dB Reference)
Lower, at 450 Hz ..................................................................................................... –3 dB
Upper, at 2500 Hz ................................................................................................... –3 dB
Intermediate Frequency
First IF .......................................................................................................... 10.695 MHz
Second IF........................................................................................................... 455 MHz
Maximum Sensitivity ..................................................................................................... 0.5
µ
V
Sensitivity for 10 dB S/N ................................................................................ 0.5
µ
V or Better
AGC Figure of Merit 50 mV for 10 dB Change in Audio Output .................................... 90 dB
Overload AGC Characteristics (from 50 mV to 1000 mV) ............................................... 4 dB
Overall Audio Fidelity at 6 dB Down ............................................................ 450 Hz–2500 Hz
Adjacent Channel Selectivity ......................................................................................... 55 dB
Image Rejection ........................................................................... Typically Better than 60 dB
IF Rejection .................................................................................................... 65 dB or Better
Maximum Audio Output Power .................................................................. 4 Watts at 8 ohms
Squelch Range ..................................................................... Adjustable from 0.5
µ
V to 1
mV
Receive Battery Drain ............................................................................ 280 mA to 1500 mA
(from No Signal to Maximum Output)
TRANSMITTER
Frequency Tolerance .............................................................................................. ±0.0005%
Maximum Output Power .......................................... 4 Watts (Maximum Allowed by the FCC)
Spurious Emission ....................................................................................... –65 dB or Better
Transmit Battery Drain .......................................................................... 1270 mA to 1870 mA
(from No Modulation to 80% Modulation Limit)
Modulation Frequency Response (1 kHz, 0 dB Reference):
Lower, at 450 Hz ..................................................................................................... –3 dB
Upper, at 2.5 kHz .................................................................................................... –3 dB
Modulation Type and Capacity ............................................................................ A3 and 85%
Microphone Sensitivity .................................................................... 3
µ
V for 50% Modulation
GENERAL
Channels ............................................................................................................................ 40
Frequency Range ....................................................................... 26.965 MHz to 27.405 MHz
Frequency Control ............................................................... Phase-Locked Loop Synthesizer
Operating Temperature Range ....................................................................... –22°F to 122°F
Power Requirements ..................................... 13.8V DC (12–16 Volts DC, Negative Ground)
Input Power ...................................................................................... 7.5 W (Reference Value)
Antenna .................................................................................... 50 Ohm (Coaxial Connector)
Microphone ....................................................................................................... Dynamic Type
Internal Speaker .......................................................................................... 16 Ohm, 5 Watts
Dimensions (HWD) ......................................................................... 1
9
/
16
×
5
9
/
16
×
7
5
/
16
Inches
(40 mm
×
142 mm
×
185 mm)
Weight ............................................................................................................................ 2 lbs
(930 g)
Specifications are typical; individual units might vary. Specifications are subject to change and
improvement without notice.
21-1709.fm Page 20 Monday, January 29, 2001 10:29 AM