TW1421

Accutenna® Embedded Single-Band GNSS Antenna

More details

  • Compact Dual Feed Patch Element
  • 1dB bandwidth 1575-1606MHz
  • Very low noise LNA: <1.25 dB
  • <1.5 dB Axial Ratio @ zenith over bandwidth
  • LNA gain: 28 dB typ.
  • Wide Supply voltage: fixed 2.5V to 16V
  • ESD circuit protection: 15KV
  • Temperature Compensated Gain

High-Precision, Compact GNSS Antenna for Embedded Applications

The TW1421 from Calian features advanced Accutenna® technology, delivering reliable performance across GPS/QZSS L1, GLONASS G1, and SBAS (WAAS, EGNOS, GAGAN, MSAS) signals.

Key Features

  • Compact 25mm dual-feed patch element
  • Wideband coverage with excellent axial ratio
  • Two-stage Low Noise Amplifier (LNA) for enhanced signal clarity
  • Superior multipath rejection and tight Phase Centre Variation (PCV)
  • Linear phase response for high-precision applications

Optimized for OEM Integration

Designed for applications requiring precise positioning and timing in space-constrained environments, the TW1421 is ideal for:

  • UAVs and drones
  • Timing systems
  • Precision agriculture
  • Industrial automation

Calian also offers custom tuning services to ensure optimal antenna performance in your specific installation environment.

Need Enhanced Signal Protection?

For environments with high levels of sub-harmonic interference (e.g., LTE, WiFi), consider the TW1422, which includes an LNA pre-filter for additional protection.

Click here to learn more about the TW1422.

Antenna FrequencySingle Band GNSS
MountOEM / Embedded
BrandCalian

ANT_TW1421_DS

Data sheet for the Calian TW1421 GNSS Antenna

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DescriptionPart-Number
TW142133-1421-xx-yyyy