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TAU1312 is a high-performance dual-band RTK positioning module, which is based on the state-of-the-art CYNOSURE III architecture. It supports GPS, BeiDou, GLONASS, Galileo, and QZSS. TAU1312 integrates efficient power management architecture while providing high precision, high sensitivity, and low power GNSS solutions which make it suitable for navigation applications on automotive and consumer electronics, as well as fleet management.

TAU1302 only support output raw data.

The TINY-EVK is a simple, friendly demo kit to evaluate the ALLYSTAR GNSS modules. It integrates a Micro-USB interface to power the board and communicates with the PC. Passive or active antennas can be used via the SMA connector.


  • Supports GPS, BDS, GLONASS, Galileo, and QZSS
  • Compact size for the high-precision industry
  • Integrated Real Time Kinematics (RTK)
  • State-of-art low power consumption
  • Supports multi-band multi-system high-precision raw data output, easy for 3rd party integration
  • Highly integrated module, the best cost-effective high precision GNSS solution
  • PPS LED indicator



An SMA female jack is available on the side panel of the evaluation unit for connecting an active or passive antenna. The EVK provides the power supply for Antenna power. Use the BIAS switch to select the power source. INT_BIAS with a recommended maximum output current of 20 mA is powered by the module, and EXT_BIAS with a recommended maximum output current of 50 mA is powered by the LDO.

Packing list

Packing list:

  • tiny evk*1
  • USB cable*1

    For the detailed datasheet please download from :

    TAU1302 datasheet [T-5-2107-TAU1302 Datasheet-V1.5]

    TAU1312 datasheet [T-5-2107-TAU1312 Datasheet-V1.2]

    TAU1103 datasheet  [T-5-2107-TAU1103 Datasheet-V1.4]

    Tiny EVK user manual [T-5-1906-011-Tiny_EVK User Manual-V1.0]


    Test guide

    How to test rtk with tiny evk for TAU1312?

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