Radio Shack TRC-446, Owner'S Manual

21

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

 × 7

1

/

4

 × 7

7

/

8

 Inches

(57 × 184 × 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