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GPS Antenna/Tnc Connector (female), 17.0 dB Gain, Teardrop, Arinc, glossy white Ci 420-221

GPS Antenna/Tnc Connector (female), 17.0 dB Gain, Teardrop, Arinc, glossy white Ci 420-221
GPS Antenna/Tnc Connector (female), 17.0 dB Gain, Teardrop, Arinc, glossy white Ci 420-221
GPS ANTENNA/TNC Connector (female), 17.0 dB Gain, Teardrop, ARINC, glossy white CI 420-221
CI 420-221 ComDat GPS Antenna | 1575.42 MHz 17 dB, TNC

The CI 420-221ComDat® stand-alone GPS antenna with TNC connector matches the popular teardrop footprint found on many general aviation aircraft and business jets. Meets RTCA DO 160D operating standards including direct effects lightning. Designed to operate with Garmin 17.0 dB panel mount GPS receivers.

*Not compatible with most portable GPS receiver systems.


  • 1575.42 MHz frequency
  • 17 dB gain
  • RHCP polarization
  • Hemispherical radiation pattern
  • Stand-alone GPS antenna
  • TNC connector

Product Codes

Mfr Part No:CI 420-221
ECCN:7A994
PROAPP:PT2316NM
SCHEDULE B CODE:8529.10.4000
TSO:C144 (INCOMPLETE SYSTEM)


Weight:4.2 ozFinish:glossy whiteConnector:TNC (female)Frequency:1575.42 MHz ±3 MHzVSWR:1.5:1Polarization:RHCPRadiation Pattern:HemisphericalImpedance:50ΩGain:17 +/-3 dBDC Voltage:4 VDC – 24 VDCDC Current:20mA MaximumNoise Figure:3.8 dB, maximumEnvironment:RTCA Env. DO-160D/C144

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  • Stock: Warehouse
  • Manufacturer Part #: CI 420-221
$624.90

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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.

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.