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Midland ALAN 121 User Manual

Midland ALAN 121
56 pages
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ALAN 121

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Midland ALAN 121 Specifications

General Specifications IconGeneral Specifications
frequency range25.615 to 30.105 MHz
operating temperature range-10°/+55° C
DC input voltage13.8V DC ±15%
size165 (L)x38 (H)x123 (D) mm
weight0.820 Kg
Receiver Specifications IconReceiver Specifications
intermediate frequencyI° IF: 10.695 MHz, II° IF: 455 KHz
sensitivity< 1µV for 20 dB SINAD
audio output powerMin. 2.0 W @ 8 Ohm
audio distortionless than 3% @ 1 KHz
current drain at standby200mA
Transmitter Specifications IconTransmitter Specifications
output power4W @ 13.8V DC
modulation AMfrom 85% to 95%
modulation FM1.8 KHz ± 0.2 KHz
current drain1100mA

Summary

FUNCTION AND LOCATION OF THE CONTROLS

Front Panel Controls

Details on channel selector, volume, squelch, AM/FM, and microphone jack.

Multifunction Display

Explanation of the display's indicators and information shown.

Display Backlight Customization

How to change the display backlight colour using a specific button.

REAR PANEL AND CONNECTIONS

External Jacks and Connectors

Details on external loudspeaker, S.Meter, and antenna connectors.

DC Power Input

Information on the 13.8V DC power supply cable connection.

MICROPHONE DETAILS

Microphone Components and Connector

Description of microphone buttons (PTT, UP/DOWN) and 6-pin connector.

INSTALLATION GUIDELINES

POWER SUPPLY REQUIREMENTS

ANTENNA INSTALLATION

OPERATING THE TRANSCEIVER

FREQUENCY BAND SELECTION

FREQUENCY BAND CHART

TECHNICAL SPECIFICATIONS

General Specifications

Overall device parameters including channels, frequency range, temp, voltage, size, weight.

Receiver Specifications

Details on receiving system, intermediate frequency, sensitivity, and audio output.

Transmitter Specifications

Information on output power, modulation types, and current drain.

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