The H series antenna couplers are designed are designed to couple multiple receiver systems to a single antenna with minimum insertion loss. These antenna couplers allow signal from a single antenna to be split equally to either redundant systems or provide a dual function role, such as glide slope and VHF range localizer. The H series has a rugged construction built with an aluminum housing which fully encapsulate all circuit elements.
This H22 antenna coupler (Alternate Part# DM H22-1) support single VOR and single GS operations and has a BNC connectors.
- Instrument landing system redundant couplers
- Rugged, fully encapsulated designs
- Minimum insertion loss
- Standard mounting
Product Codes | |
|---|---|
| Mfr Part No: | H22-1 |
| ECCN: | 7A994 |
| SCHEDULE B CODE: | 8526.10.6000 |
| TSO: | C34c,C40c |
Weight: 4 ozFrequency Range: 329 MHz – 335.3 MHz 108 MHz – 118 MHz 74.75 MHz – 75.25 MHz (H21-1 only)VSWR: < 1.5:1 dB (VOR/LOC) < 1.5:1 dB (Glide Slope) < 2.0:1 dB (marker beacon), H21-1 onlyImpedance: 50ΩIsolation: < 20 dB (VOR/LOC to VOR/LOC) < 40 db (VOR/LOC to VOR/LOC) < 14 dB (Glide slope from VOR/LOC) < 14 dB (marker beacon to marker beacon)Insertion Loss: 0.5 dB, max (glide slope port H22-1 & H23-1) 0.5 dB, max (VOR/LOC port H22-1) 3.5 dB, max including power split (VOR/LOC ports, H21-1, H23-1 and glide slope ports H24-1) 3.6 dB, max (Marker beacon ports, H21-1)Power Handling: receive onlyApprovals: FAA TSO C34c, TSO C35d, TSO C36d, TSO C40c
- Stock: Warehouse
- Manufacturer Part #: H22-1
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
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