The STX-165R Remote Mode C Transponder is a remote unit that is controlled by existing aircraft navigation units. This transponder provides a 200 watt nominal output and works with units from MGL, GRT, DYNON Avionics and Advance Flight. Low weight and power consumption make this unit an ideal choice for use in UAVs. The STX-165R accepts either Gilham Gray Code or RS-232 altitude input for Mode C operation and can be mounted vertically or horizontally with or without a mounting tray.
- Provides 200 watts nominal output
- Ideal for LSA, glider, and UAV operations with a low current requirement
- Compact and lightweightweighing only 1.16 lb
- ADS-B Compatible
- DO160F, DO 178B level C, TSO C74d certified
Product Codes | |
|---|---|
| Mfr Part No: | 705831-00 |
| ECCN: | 7A994 |
| SCHEDULE B CODE: | 9014.20.8040 |
| TSO: | C74d |
Weight: 1.16 lbDimensions: 3 x 1.8 x 6.9 inInput Voltage: 11 VDC – 33 VDCCurrent requirements: 360 mA @ 14 VDC 180 mA @ 28 VDCPower Output: 200 watts, nominalTransmitter Frequency: 1,090 KHzReceiver Frequency: 1,030 MHzReceiver Sensitivity: -74 dBm @ 90% reply rate, nominalInputs: Grey Code RS-232Temperature: -20°C to 55°CAltitude: -1,000 to 35,000 ftCertification: DO160F, DO 178B level C, TSO C74d
- Stock: Warehouse
- Manufacturer Part #: 705831-00
Aircraft Fitment Finder
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.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
