1. Introduction
The ICOM MBF-4 Mounting Bracket is designed to provide a secure and stable installation solution for the ICOM ID-5100A Main Unit. This bracket allows for flexible placement in various environments, ensuring the radio unit is safely positioned for optimal use. Please read these instructions carefully before installation to ensure proper setup and long-term durability.
2. Package Contents
Verify that all items listed below are present in your package:
- MBF-4 Mounting Bracket (1 unit)
- Mounting Screws (various sizes, quantity may vary)

Image 2.1: The ICOM MBF-4 Mounting Bracket shown in its retail packaging, alongside the included mounting hardware. The bracket is black, and the hardware consists of various screws and washers.
3. Safety Information
Observe the following safety precautions during installation and use:
- Always use appropriate tools for installation.
- Ensure the mounting surface is strong enough to support the weight of the bracket and the ID-5100A Main Unit.
- Avoid over-tightening screws, which can damage the bracket or the mounting surface.
- Keep small parts and tools away from children.
- If installing in a vehicle, ensure the bracket does not obstruct airbags, driver's view, or vehicle controls.
4. Installation Instructions
4.1. Tools Required
- Screwdriver (appropriate type for included screws)
- Drill (if creating new mounting holes)
- Measuring tape or ruler
- Pencil or marker
4.2. Mounting Location Selection
Choose a stable, flat surface for mounting. Consider accessibility for connecting cables to the ID-5100A Main Unit and visibility for operation. Ensure adequate clearance around the unit for ventilation and heat dissipation.
4.3. Mounting the Bracket
- Position the MBF-4 bracket on the chosen mounting surface.
- Using a pencil or marker, mark the locations for the mounting screws through the bracket's pre-drilled holes.
- If necessary, pre-drill pilot holes at the marked locations. Ensure the drill bit size is appropriate for the mounting screws to prevent splitting the material or creating holes that are too large.
- Align the bracket with the pilot holes and secure it using the provided mounting screws. Tighten the screws firmly but do not overtighten.
- Once the bracket is securely mounted, attach the ICOM ID-5100A Main Unit to the bracket using the radio's designated mounting points and appropriate screws (typically supplied with the radio unit).

Image 4.1: Front view of the ICOM MBF-4 Mounting Bracket, showing the elongated slots for mounting to a surface and the central hole for securing the radio unit.

Image 4.2: Angled view of the ICOM MBF-4 Mounting Bracket, illustrating its L-shaped design and the various mounting points on both faces for versatile installation.
5. Operation
The MBF-4 Mounting Bracket serves as a passive support structure. Once the ID-5100A Main Unit is securely attached to the bracket, the bracket's function is to hold the unit in its desired position. No active operation is required from the bracket itself.
6. Maintenance
To ensure the longevity and continued secure function of your MBF-4 Mounting Bracket:
- Periodically inspect all mounting screws to ensure they remain tight. Re-tighten if any looseness is detected.
- Clean the bracket with a soft, dry cloth. Avoid abrasive cleaners or solvents that could damage the finish.
- Check for any signs of corrosion or damage, especially if installed in harsh environments.
7. Troubleshooting
If you encounter issues with your MBF-4 Mounting Bracket, consider the following:
- Bracket feels loose: Check all mounting screws. Ensure they are properly tightened and that the mounting surface is stable.
- Radio unit not secure on bracket: Verify that the screws attaching the ID-5100A Main Unit to the MBF-4 bracket are correctly installed and tightened.
- Vibration: Ensure all connections are tight. Adding rubber washers (not included) between the bracket and the mounting surface or between the radio and the bracket may help reduce vibration in some installations.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | MBF-4 |
| Brand | ICOM |
| Material | Alloy Steel |
| Color | Black |
| Mounting Type | Wall Mount (Versatile for other surfaces) |
| Item Weight | 13.6 ounces (0.85 Pounds) |
| Item Depth | 1 inch |
| Package Dimensions | 7.52 x 3.86 x 3.31 inches |
9. Warranty Information
This product is covered by ICOM's standard manufacturer's warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty documentation provided with your ICOM ID-5100A Main Unit or visit the official ICOM website. Keep your purchase receipt as proof of purchase.
10. Customer Support
For technical assistance, installation questions, or warranty claims, please contact ICOM customer support. You can find contact information, including phone numbers and email addresses, on the official ICOM website (www.icomamerica.com) or through your local authorized ICOM dealer.







