ALINCO DR-138 VHF Mobile/Base Transceiver

ALINCO DR-138 VHF Mobile/Base Transceiver

The ALINCO DR-138 is a VHF mobile/base transceiver designed for reliable communication within the VHF frequency range. Here are the features and specifications of the DR-138:

Features:

1. Frequency Range:
   • Covers VHF frequencies, typically in the range of 136-174 MHz. This range is commonly used for various applications including amateur radio, public safety, and commercial uses.
2. Power Output:
   • Provides adjustable RF power output, typically up to 50 watts. This allows for effective communication over varying distances and terrain.
3. Modulation:
   • Utilizes FM (Frequency Modulation) for clear and reliable voice communication.
4. Channel Spacing:
   • Supports standard channel spacing, typically set at 12.5 kHz or 25 kHz, depending on regional regulations and operational requirements.
5. Channel Memory:
   • Includes multiple memory channels for storing frequently used frequencies, facilitating quick access and easy management during operations.
6. Display and Controls:
   • Features a front-panel display that shows frequency, channel information, signal strength, and other operational settings.
   • Intuitive controls including knobs and buttons for frequency selection, volume adjustment, and other functions.
7. CTCSS and DCS:
   • Supports CTCSS (Continuous Tone-Coded Squelch System) and DCS (Digital-Coded Squelch) capabilities. These features help filter out unwanted signals and reduce interference from other users on shared frequencies.
8. External Connections:
   • Includes connectors for external antennas (SO-239 or similar), microphone input, and other accessories. This enhances flexibility and adaptability for specific installation and operational needs.
9. Scan Function:
   • Allows for scanning of channels to monitor activity and locate active frequencies.
10. Built-in Speaker:
    • Equipped with a built-in speaker for clear audio reception and transmission.
11. Durable Construction:
    • Designed with robust materials to withstand rugged environments and ensure reliable performance in various conditions.
12. Power Supply:
    • Typically operates on a 13.8V DC power source, suitable for mobile installations in vehicles. It can also be adapted for use with AC power supplies for base station configurations.
13. Size and Weight:
    • Compact and lightweight design for easy installation and operation in mobile or fixed station setups.

Specifications:

• Frequency Range: 136-174 MHz (VHF)
• Modulation: FM (Frequency Modulation)
• Power Output: Adjustable up to 50 watts
• Channel Spacing: 12.5 kHz or 25 kHz
• Channel Capacity: Multiple memory channels (exact number may vary)
• Antenna Connector: SO-239 (UHF female)
• Operating Voltage: 13.8V DC (nominal)
• Dimensions (H x W x D): Specific dimensions vary by model
• Weight: Varies depending on configuration and accessories

Applications:

• Commercial Use: Ideal for businesses requiring robust VHF communication capabilities, such as transportation, logistics, security, and construction.
• Public Safety: Suitable for use by law enforcement agencies, emergency services, and government organizations.
• Amateur Radio: Provides reliable VHF communication for amateur radio operators participating in local events, emergency response, and community service.
• Base Station Setup: Can be installed as a base station in control centers, offices, or remote locations needing continuous communication.

The ALINCO DR-138 VHF mobile/base transceiver offers reliable performance, flexible deployment options, and essential features tailored for effective VHF communication across diverse applications and environments. Its durability and user-friendly design make it a practical choice for both mobile and fixed station installations.

Document DR-138/DR-438_Datasheet_EN