Septentrio PolaNt Choke Ring B3/E6

The PolaNt Choke Ring B3/E6 is a high precision geodetic multi-frequency, multi-constellation choke ring antenna for use with Septentrio's PolaRx family of high-performance multi-frequency GNSS reference receivers.

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Septentrio PolaNt Choke Ring B3/E6 is designed for high-end applications and reference station operations. The antenna incorporates low-noise amplifiers, powerful filters and a high phase centre stability. Get superior multipath rejection and out-of-band interference rejection with the PolaNt Choke Ring B3/E6.

Features of the Septentrio PolaNt Choke Ring B3/E6

  • High phase center stability
  • Supports current and planned GNSS signals from GPS, GLONASS, Galileo, BeiDou, IRNSS, QZSS and SBAS
  • BeiDou B3 and Galileo E6 are supported
  • IGS calibration available

Technical Specifications

GNSS Frequencies: L-band, GPS (L1, L2, L5), GLONASS (L1,L2,L3), Galileo (E1, E5ab, E6), BeiDou (B1, B2, B3), IRNSS (L5)
Polarization: RHCP
Axial ratio: 3dB maximum
Amplifier gain: 39 +/- 2dB
Noise figure: 2.6 dB maximum
Size: 376 mm diameter

Height – 73.2 mm tall

Weight: 4.98 kg
Connector: N-Type FemaleF
Operating temperature: -55 C to +85 C
Finish: UV Resistant Polyurethane Enamel, white


The PolaNt Choke Ring B3/E6 antenna from Septentrio is available through Blue Planet Geomatics. If you would like more information about it, please contact us using the Request Pricing form.