GUIDE TO THE ACTION BANDS

Typical Band Usage

VHF Band (29.00-300.00 MHz)

 

Low Range

29.00–50.00 MHz

6-Meter Amateur

50.00–54.00 MHz

U.S. Government

137.00–144.00 MHz

2-Meter Amateur

144.00–148.00 MHz

High Range

148.00–174.00 MHz

UHF Band (300 MHz-3.0 GHz)

 

U.S. Government

406.00–420.00 MHz

70-cm Amateur

420.00–450.00 MHz

Low Range

450.00–470.00 MHz

FM-TV Audio Broadcast, Wide Band

470.00–512.00 MHz

Primary Usage

As a general rule, most of the radio activity is concentrated on the following frequen- cies:

VHF Band

Activities

Frequencies

Government, Police, and Fire

153.785–155.980 MHz

Emergency Services

158.730–159.460 MHz

Railroad

160.000–161.900 MHz

UHF Band

Activities

Frequencies

Land-Mobile “Paired”

450.000–470.000 MHz

Frequencies

 

Base Stations

451.025–454.950 MHz

Mobile Units

456.025–459.950 MHz

Repeater Units

460.025–464.975 MHz

Control Stations

465.025–469.975 MHz

Note: Remote control stations and mobile units operate at 5 MHz higher than their associated base stations and relay repeater units.

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Radio Shack 20-422 owner manual Guide to the Action Bands, Typical Band Usage

20-422 specifications

The Radio Shack 20-422 is a versatile and compact handheld scanner that has garnered recognition among hobbyists and communication enthusiasts alike. This model is designed to provide users with an easy-to-use interface and advanced scanning capabilities, making it a popular choice for those looking to stay connected with public safety, aviation, and other radio communications.

One of the standout features of the Radio Shack 20-422 is its ability to scan a wide range of frequencies. With coverage from 30 MHz to 900 MHz, it allows users to access a diverse array of radio signals, including AM, FM, and analog transmissions. This broad frequency range ensures that operators can track vital communications from police departments, fire services, and emergency medical teams.

In addition to its expansive scanning capabilities, the 20-422 is equipped with 200 programmable channels. This enables users to store their favorite frequencies for quick access, thus enhancing the overall user experience. The unit is also compatible with commonly used trunking systems, which allows users to monitor communications from trunked radio systems, widely employed by public safety organizations.

The Radio Shack 20-422 comes with a customizable priority scanning feature, which allows users to set specific channels to scan more frequently. This ensures that important communications are not missed, adding a level of efficiency to the scanning process. Moreover, the scanner features a large LCD display that provides users with clear visibility of the frequency and other important information.

From a technological standpoint, the 20-422 is equipped with automatic frequency identification, which simplifies the process of discovering new radio signals. The built-in alert system notifies users when specific transmissions are detected, adding convenience to the scanning routine.

The ergonomic design of the Radio Shack 20-422 enhances ease of use, equipped with a comfortable grip and well-placed buttons for intuitive operation. The scanner is powered by a reliable battery system, ensuring long hours of dynamic scanning capabilities, whether you are in a stationary location or on the move.

In summary, the Radio Shack 20-422 stands out as a powerful tool for anyone interested in radio communications. With its extensive frequency coverage, programmable channels, and user-friendly design, this handheld scanner is perfect for hobbyists, emergency responders, and anyone else looking to stay connected with their community.