Specifications - Radio Shack TRC-447 Service Manual

40-channel mobile cb with wx alert
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GENERAL
Channels:
Frequency range:
Frequency control:
Microphone:
Antenna impedance:
Controls:
Switches:
Indicators:
Antenna connector:
Jacks:
Dimensions (HWD):
Weight:
Power supply:
Operating temperature range:
Storage temperature range:
Accessories:
Measuring Conditions
Power supply voltage:
Temperature and humidity:
Output load for transmitter:
Input signal source:
Test input signal:
Output Load for Receiver:
Reference Audio Output Power: 0.5 W
Measuring Channel:
Each Function Knob Condition.
Volume:
Squelch:
RF gain:
Mic Gain:
CH9-NOR-CH19:
NB-OFF-MON:
DUAL-OFF:
✽ FCC type acceptance specification for PART 15 and 95.
✽ Frequency tolerance and specification: ±0.005% from −30 °C to +50 °C

SPECIFICATIONS

40 (CB Transceiver)
7 (Digital Weather Alert Radio)
26.965 MHz to 27.405 MHz (CB)
162.400 MHz to 162.550 MHz (WX)
PLL controlled synthesizer
Electret condenser type microphone with channel up/down switch
50-ohm
Volume control with Power on/off Switch
Squelch control for CB
SWR Cal Control for CB
RF gain control for CB
Mic Gain Control for CB and PA
CH9-NOR-CH19 Lever Switch for CB
S/RF-SWR-CAL Lever Switch for CB
CB-WX-PA Lever Switch
NB-OFF-MON Lever Switch
DUAL-OFF Lever Switch for CB
Channel Rotary Switch for CB and WX
Channel number (LED: Green color)
TX/RX (LED:TX-Red/RX-Green Color)
WX/ALERT (LED:Red Color)
M Type (SO 239)
Mic 6 pin Screw Type
EXT. SP 3.5 dia.
PA. SP 3.5 dia.
55mm × 185 mm × 225 mm
1.4 kg
12 V DC rated (13.8 V DC)
−30 °C to +50 °C (FCC Stability)
−30 °C to +60 °C (Without damage)
Microphone
Microphone hanger with screws
Mounting bracket with screws
DC Power Cord with Fuse
Owner's manual
13.8 V DC
25 ±5 °C, 50 to 70%
50 ohm Resistive
50 ohm SSG
1 kHz, 30% Modulation (CB)
1 kHz, ±3 kHz Deviation (WX)
FSK, ±4.5 kHz Deviation (Digital WX Alert)
8 ohm Resistive
CH 20 (CB)
CH 5 (WX)
Fully clockwise (FCW)
Unsquelched
Fully clockwise (FCW)
Fully clockwise (FCW)
NOR
OFF
OFF
— 2 —

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