The NI70 L-Band transponder antenna provides sufficient bandwidth for DME and ATC frequencies on civil aviation aircraft. It will provide omni-directional, vertically polarized coverage when installed on the top or the bottom of an aircraft. To reduce drag, this antenna features an aerodynamic designed structure that consists of a single metal element.
This DM NI70 transponder antenna (Alternate Part# DM NI70-3) has a type C female connector and a six-hole mounting pattern.
- 950 MHz – 1,220 MHz frequency range
- Omni-directional, vertically polarize polarized pattern
- Mounts to the top or bottom of aircraft
- Aerodynamic design
Product Codes | |
|---|---|
| Mfr Part No: | DM NI70-3 |
| ECCN: | 7A994 |
| SCHEDULE B CODE: | 8526.10.6000 |
| TSO: | C66a,C74b,C112 |
Weight: 0.25 lbFinish: WhiteConnector: Type C female (N170, N170-3) Type BNC female (N170-2)Drag @ sea level: 0.5 lbFrequency Range: 960 MHz – 1,220 MHzVSWR: < 1.7:1, (960 MHz – 1,220 MHz) < 1.5:1, (1,000 MHz – 1,100 MHz)Gain: equivalent to a λ/4 stubImpedance: 50ΩPolarization: verticalRadiation Pattern: omnidirectionalDC Resistance: open circuitedPower handling: 2 kW peakApprovals: TSO C66a: ENV. CAT. JAJXXXXx TSO C74b: ENV. CAT. JAJXXXX CAT. II
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: DM NI70-3
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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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