3D Choke Ring GNSS Tripleband + L-band antenna (IP67)

SKU AS-ANT3B-CHO-L1256-SMATNC-00 Category Tags , ,


Availability: In stock (can be backordered)

This product comes with 2 years worldwide warranty


– 3D Choke Ring GNSS Tripleband + L-band antenna (IP67)
– 1.5m pigtail cable with TNC to SMA connector
– 2.5m pigtail cable with TNC to TNC connector

Calibrated by NGS Survey Quadband (L1/L2/L5/L6) 3D Choke Ring GNSS antenna.
Ideal for base station installations, but also for fixed installations supporting L-band.

Good to know:
– Compatible with all simpleRTK3B boards as well as any other multiband GNSS receiver in the market.


Related tutorials:


3D Choke Ring antenna

Antenna element

  • Supported positioning signal bands:
    • GPS: L1, L2, L5
    • GLONASS: G1, G2, G3
    • BeiDou: B1, B2, B3
    • Galileo: E1, E5, E6
    • QZSS: L1, L2, L5, L6
    • Navic: L5
    • L-band: L6
  • Polarization: RHCP
  • Peak gain: 7dBi
  • Axial Ratio @ zenith: <3dB
  • Azimuth Coverage: 360 degrees
  • Impedance: 50 ohm
  • Phase center error: ±1mm
  • Calibration file available


  • Supply voltage: 3-12V
  • Typical supply current @ 3V: 60mA
  • Average LNA gain: 40dB
  • Maximum Noise Figure: 1.5dB
  • Maximum VSWR: 1.5


  • Maximum length: 380mm
  • Weight: 10kg
  • Mounting style: 5/8” x 11TPI thread
  • Connector: TNC female
  • Cable length:
    • Includes 1.5 meter cable terminated in SMA male
    • Includes 2.5 meter cable terminated in TNC male


  • Operating Temperature: -40 to +85°C
  • Storage Temperature: -40 to +85°C
  • IP Rating: IP67 (excluding air vent in screw hole, which can be sealed when installed)
  • RoHS: Yes

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