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STX-165 Panel Mount Transponder Kit 705832-00

STX-165 Panel Mount Transponder Kit 705832-00
STX-165 Panel Mount Transponder Kit 705832-00
STX-165 PANEL MOUNT TRANSPONDER KIT 705832-00
STX 165 | Panel Mount Mode C Transponder
The STX 165 panel mount Mode C transponder effortlessly compliments an aircrafts ADS-B UAT installation. It integrates with the most popular UAT systems and sends the transponders squawk code directly from the STX-165 to the UAT transceiver eliminating the need to enter the squawk code twice and reducing code setting errors. This panel mount transponder uses a 1/2 3ATI panel cutout. It boasts a bright OLED display that is readable in any lighting conditions and automatically dims for nighttime operations. The solid state design provides 200 watts nominal output with no warm-up time, while power requirements remain minimal.

  • Simplified installation with a built-in encoder
  • ADS-B Compatible with UAT 978 systems
  • Three function timer includes elapsed time, up timer, and down timer
  • Compatible with STP 78 OAT probe (sold separately)
  • Compact and lightweight, weighs only 1.3 lb
  • Ideal for LSA, glider, and UAV operations with a low current requirement
  • DO160F, DO 178B level C, TSO C74d, TSO D88b (encoder) certified

Product Codes

Mfr Part No:705832-00
ECCN:7A994
SCHEDULE B CODE:9014.20.8040
TSO:C74d, C88b


Weight: 1.3 lbDimensions: 7.34 x 3.5 x 1.78 inInput Voltage: 11 - 33 VDCCurrent requirements: 430 mA @ 14 VDC 210 mA @ 28 VDCPower Output: 200 watts, nominalTransmitter Frequency: 1,090 KHzReceiver Frequency: 1,030 MHzInputs: built-in 35k altitude encoder Sandia SPT78 (optional) OAT probeTemperature: -20°C to 55°CAltitude: -1,000 to 35,000 ftCertification: DO160F, DO 178B level C, TSO C74d, TSO D88b (encoder)

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  • Stock: Warehouse
  • Manufacturer Part #: 705832-00
$2,614.15

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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 only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
  • Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
  • 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.

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We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed 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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