TW7972 Multi-band GNSS Antenna

TW7972 Tallysman Multi-band GNSS Antenna

TW7972 is an Accutenna® technology antenna especially designed for precision triple frequency positioning. This antenna provides triple band GPS L1/L2/L5, GLONASS G1/G2/G3, BeiDou B1/B2, Galileo E1/E5 plus L-band correction services coverage.

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TW7972 Multi-band GNSS Antenna provides triple-band GPS coverage: L1 / L2 / L5, GLONASS G1 / G2 / G3, BeiDou B1 / B2, Galileo E1 / E5 and L-Band Correction Services, specially designed for Precision positioning in triple frequency.

The TW7972 provides superior multi-path rejection and axial ratio, a linear phase response, and tight Phase Centre Variation (PCV), while protecting against intermodulation and saturation caused by high level cellular 700MHz signals. This antenna is ideal for precision agriculture, autonomous vehicle tracking and guidance, and other applications where precision matters.

Perfectly suited for ZED-F9P RTK GNSS application.


• Very low Noise, Pre-filtered Preamp, 2.5dB

• Axial ratio: <2dB typ

• Tight Phase Center Variation

• LNA Gain 32 dB typ.

• Low current: 24mA typ.

• ESD circuit protection: 15 KV

• Invariant performance from: +2.5 to 16VDC


• Ideal for triple band RTK systems

• Great multipath rejection

• Increased system accuracy

• Great signal to noise ratio

• IP67, REACH, and RoHS compliant

TW7972 features a dual feed circular stacked patch element. The signals from the two orthogonal feeds are summed in quadrature, pre-filtered in a low loss filter to protect against a wide range of potentially interfering signals, amplified in high linearity, wide-band LNA, then band-split, tightly filtered and amplified prior to signal recombination at the output.

The TW7972 provides reception for signals in the bands 1164MHz to 1254MHz and 1525MHz to 1606MHz. It is housed in a weather-proof enclosure.


Size   69mm diameter x 22mm height (with 2m cable)
ArchitectureTwin Dual, quadrature feeds
EnclosureRadome: EXL9330, Base: Zamak White Metal
Operating T°-40°C to 85°C


LNA Gain32dB typ
Supply Current20mA typ. at 25°C
Supply Voltage2.5 to 16 VDC nominal (12VDC recommended max.)
Noise2.5dB typ at 25°C
Axial ratio<2dB typical

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