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TW3752AJ Accutenna® Anti-Jam Single-Band GNSS Antenna

SKU: TW3752AJ

Precision high-gain GNSS antenna built with Tallysman’s unique Accutenna® technology, providing single-band GPS/QZSS-L1, GLONASS-G1, Galileo-E1, and BeiDou-B1 coverage.

Key Features:

  • Accutenna® technology
  • Great axial ratio (2.0 dB typ.)
  • Low LNA noise (3.0 dB typ.)
  • High-rejection SAW filter
  • High-gain LNA (50 dB typ.)
  • Low current (30 mA typ.)
  • Wide voltage input range (2.5 to 12 VDC)
  • ESD circuit protection (15 kV)
  • IP67 weather-proof housing
  • RoHS and REACH compliant

Description

Product Overview

The Calian TW3752AJ Accutenna anti-jam antenna is a high-precision single-band GNSS antenna designed for reliable positioning and timing in demanding environments. It supports major GNSS constellations, including GPS, GLONASS, Galileo, and BeiDou, delivering consistent signal reception when accuracy and stability are critical. With integrated anti-jam technology and advanced filtering, the antenna is designed to reduce interference from low angle signals and nearby wireless sources, making it suitable for transport, public safety, surveying and mission-critical deployments.

Key Features

Precision GNSS Performance

  • Supports GPS, GLONASS, Galileo and BeiDou on L1 band

  • High-gain active design with an integrated low noise amplifier

  • Excellent axial ratio for improved signal quality and positioning accuracy

  • Suitable for precision timing and high-accuracy positioning applications

Anti-Jam Technology

  • Radiation pattern designed to suppress signals from low elevation angles

  • Reduces the impact of ground-based jamming and interference

  • Improves reception from satellites at higher elevation angles

  • Enhances signal reliability in urban or high-interference environments

Signal Integrity and Filtering

  • High rejection filtering to minimise out-of-band interference

  • Strong resistance to nearby cellular signal interference

  • Circular polarisation for improved multipath rejection

  • Maintains a strong signal-to-noise ratio in challenging conditions

Rugged Environmental Design

  • IP67-rated enclosure for protection against water and dust

  • Durable housing suitable for outdoor and industrial environments

  • Resistant to vibration and shock for mobile and transport use

  • Wide operating temperature range supporting extreme conditions

Installation and Integration

  • Permanent mount design with secure fixing options

  • Suitable for vehicle roofs, infrastructure and outdoor enclosures

  • Compatible with GNSS receivers and positioning systems

  • Designed for long-term deployment in fixed or mobile applications

Applications and Use Cases

The TW3752AJ is suitable for:

  • Precision positioning and timing systems

  • Law enforcement and public safety

  • Fleet tracking and transport systems

  • Surveying and geospatial applications

  • Industrial and infrastructure monitoring

Dimensions Drawings

 

 

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More Information

Brand Calian Group
Specifications

Product Type

Anti-jam single-band GNSS antenna

Technology

Accutenna® technology

Supported GNSS Bands

GPS/QZSS L1, GLONASS G1, Galileo E1, BeiDou B1, SBAS (WAAS, EGNOS, MSAS, GAGAN)

Frequency Range

1559 to 1606 MHz

Polarisation

Right-hand circular (RHCP)

LNA Gain

50 dB typical

Noise Figure

3.0 dB typical

Axial Ratio

2.0 dB typical

VSWR

≤1.5:1 typical (≤1.8 max)

Bandwidth

~47 MHz

Out-of-Band Rejection

>50 dB below 1500 MHz

>70 dB above 1640 MHz

Supply Voltage

2.7 to 26 VDC (12 V recommended)

Current Consumption

~30 mA typical (35 mA max)

ESD Protection

15 kV air discharge

Architecture

Pre-filter, LNA stages, filtering, signal recombination

Anti-Jam Feature

Attenuates signals below ~15° elevation and enhances zenith gain

Multipath Rejection

High due to full-band circular polarisation

Mounting

Through-hole permanent mount (L-bracket or pipe mount options)

Connector Options

TNC, N-type (model dependent)

Construction

Metal base with weatherproof radome

IP Rating

IP67

Operating Temperature

-40°C to +85°C

Storage Temperature

-50°C to +95°C

Vibration

MIL-STD-810 compliant

Shock

Up to 50G vertical

Dimensions

Approx. 100 mm diameter × 102 mm height

Weight

~370 g

Compliance

RoHS, REACH, CE, FCC

Applications

Precision positioning, timing, public safety, GNSS infrastructure

 

Ordering Information

Part Number 33-TW3752AJ-xx-y-zzzz

where xx = connector type, y = W - White Radome, G - Grey Radome, and zzzz = cable length in mm

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