Specifications, General, Receiver – Radio Shack TRC-446 User Manual
Page 21: Transmitter
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SPECIFICATIONS
GENERAL
Channels ................................................................................................. 40 Channels
Frequency Range ........................................................... 26.965 MHz to 27.405 MHz
Power Requirements ........................ .. 13.8V DC (12–16 Volts DC, Negative Ground)
Dimensions (HWD) ............................................................... .. 2
1
/
4
Ч 7
1
/
4
Ч 7
7
/
8
Inches
(57 Ч 184 Ч 200 mm)
Weight ................................................................................................. 3.1 lbs (1.4 kg)
RECEIVER
Sensitivity .............................................................. 0.5
µ
V or better for 10 dB (S+N)/N
Adjacent Channel Rejection ......................................................... 50 dB (at 10 kHz)
Audio Output ............................................................................ 4.5 Watts (Maximum)
Frequency Response ............................................................................ 450–2500 Hz
Intermediate Frequency ............................................................... 1st IF: 10.695 MHz
2nd IF: 455 KHz
Cross Modulation ............................................................................................... 50 dB
Squelch ..................................................................... Adjustable from 0.5
µ
V to 1 mV
TRANSMITTER
Output Power ...................................................................... 4 Watts (FCC Maximum)
Type of Modulation .............................. AM Double-Sideband, Full Carrier Modulation
Modulation Capability ........................................................................................ ±90%
Spurious Emission ......................................................................... Less than –70 dB
Frequency Tolerance ...................................................................................... ±200 Hz
Antenna Impedance ....................................................................................... 50 Ohm
Current Drain ....................................... (13.8-volt supply) 1 Amp with No Modulation
1.6 Amps with 80% Modulation
21-1574.fm Page 21 Thursday, May 13, 1999 4:03 PM