Radio Shack TRC-442 owner manual Specifications, Receiver

Page 19

21-1586.fm Page 19 Thursday, August 5, 1999 9:50 AM

SPECIFICATIONS

RECEIVER

 

Frequency Coverage

All 40 CB Channels (Class D) 26.965–27.405 MHz

Sensitivity for 10dB S/N

0.5 mV or better for 10 dB S+N/N

Adjacent Channel Rejection

–40db (at 10 kHz)

Audio Output

1 Watt

Cross Modulation

50 dB

Squelch

Adjustable from 0.7 mV to 1 mV

TRANSMITTER

 

Frequency Coverage

All 40 CB Channels (Class D) 26.965–27.405 MHz

Frequency Tolerance

0.005%

Output Power

4 Watts (Maximum)

Spurious Emission

–60 dB

Type of Modulation

A3

Modulation Capability

90%

Antenna Impedance

50 Ohm

GENERAL

 

Power Requirements

13.8 Volts DC, Negative Ground

120 V AC, 60 Hz, using an optional power supply (Cat. No. 22-504)

Dimensions (HWD)

15/8 × 51/2 ¥ 6 7/8 inches (41.5 ¥ 140 ¥ 175 mm)

Weight

26.4 oz (750 g)

Included Accessories

Microphone Holder, Mounting Hardware

Specifications are typical, individual units might vary. Specifications are subject to change and improvement without notice.

19

Image 19
Contents TRC-442 Features FCC Information Contents Attaching the Microphone Holder InstallationMounting the TRC-442 Rubber Washer Installing AN Antenna Connecting MicrophoneUsing Vehicle Battery Power Using the CB AS a Base Station Turning on the CB and Receiving Transmissions OperationTransmitting Common Uses for a CB Radio CB Operation TipsCB Courtesy Code Meaning Using Common 10-CODESMaximum Range Symptom Check That TroubleshootingReducing Noise Care and Maintenance Replacing the Fuse Receiver SpecificationsRadioShack

TRC-442 specifications

The Radio Shack TRC-442 is a classic CB (Citizens Band) radio widely recognized for its impressive features and user-friendly design. Launched in the 1980s, the TRC-442 became a popular choice among enthusiasts and casual users alike, thanks to its reliability and performance.

One of the standout features of the TRC-442 is its compact and portable design, making it a perfect fit for both mobile use in vehicles and as a base station at home. The radio operates on the standard 40 CB channels, offering users a range of communication options. With a power output of approximately 4 watts, it provides a solid transmission range, enabling users to communicate with other CB operators over considerable distances.

The radio includes a built-in microphone for hands-free operation and a large, easy-to-read display that shows channel numbers and signal strength. This thoughtful design ensures that users can quickly identify their settings at a glance, enhancing usability. The TRC-442 also features an external speaker jack, allowing users to connect an external speaker for improved audio clarity, particularly beneficial in noisy environments.

The TRC-442 is equipped with essential technical features, including automatic noise limiter (ANL) and squelch controls. The ANL helps minimize background noise, providing clearer audio during transmission and reception. The adjustable squelch control allows users to eliminate unwanted static or noise, ensuring a more enjoyable listening experience.

Another key characteristic of the TRC-442 is its versatility with various transmission modes. It supports AM (Amplitude Modulation) and SSB (Single Sideband) transmission, allowing users to choose the mode that best suits their needs. While AM is the standard for most CB communications, SSB offers increased range and efficiency, making it ideal for long-distance communication.

The TRC-442 also boasts a rugged construction, designed to endure the rigors of both outdoor and vehicular use. Its robust casing protects the internal components, ensuring durability over the years.

In summary, the Radio Shack TRC-442 stands out as a reliable and versatile CB radio. Its compact design, user-friendly features, and exceptional audio quality make it a favorite among CB radio enthusiasts even today. Whether for casual conversations or emergency communications, the TRC-442 remains a noteworthy model in the world of Citizens Band radio.