COUPLER, VOR/ILS ANTENNA (P/N dm-h21-1) - As Removed, New Surplus
P/N: dm-h21-1
Category: Antennas
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| As Removed | 5 Available |
| New Surplus | 1 Available |
Product Description
The dm-h21-1 is a VOR/ILS antenna coupler (diplexer) that splits a single antenna feed to two separate receivers. This aluminum-housed component distributes VOR/LOC and marker beacon signals simultaneously, enabling dual navigation receiver capability in aircraft VHF systems. FAA TSO certified (C34c, C35d, C36d, C40c), it encapsulates RF circuitry to maintain signal integrity and minimize insertion loss.
Installation follows manufacturer specifications and approved aircraft data for your avionics configuration.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the COUPLER, VOR/ILS ANTENNA (P/N dm-h21-1)?
The dm-h21-1 is a VOR/ILS antenna coupler (diplexer) that splits a single antenna feed to two separate receivers. This aluminum-housed component distributes VOR/LOC and marker beacon signals simultaneously, enabling dual navigation receiver capability in aircraft VHF systems.
Is the dm-h21-1 compatible with my aircraft's avionics suite?
Avionics compatibility depends on your aircraft model and existing installation. The COUPLER, VOR/ILS ANTENNA is available in: As Removed, New Surplus. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.
Does the dm-h21-1 come with an 8130-3 airworthiness tag?
Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.
Do you offer bench testing for the dm-h21-1?
We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.
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