GNSS Modules

Promotion Product-ST-1612r-DGX

Promotion Product-ST-1612r-DGX

LOCOSYS ST-1612r-DGx dead reckoning (DR) modules are the perfect solution for automotive application. They not only support GPS, GLONASS, GALILEO and QZSS, but also have inertial sensors (3-axis accelerometers and 3-axis gyros) to provide dead reckoning.

Promotion Product-RTK-4671-MH

Promotion Product-RTK-4671-MH

The dual-frequency RTK-4671-MH receiver is a compact, cost-effective and high-precision GNSS RTK board designed for applications requiring centimeter level positioning accuracy.


GNSS Modules - GPS & GNSS Positioning Module Manufacturer - LOCOSYS

Based in Taiwan, LOCOSYS Technology Inc., since 2006, is a GNSS Modules | GPS & GNSS positioning module supplier. Main product, including GNSS positioning module, GNSS dead reckoning(DR) module, RTK and RTD high-precision module, Bluetooth 4.0 and BT 2.4G wireless module, MEMS module, traffic information RDS-TMC module, ARM system platform solutions and related APP test software.

Best partner of 'Automotive Dead Reckoning' in Global automotive industry, also a qualified supplier to tier 1 & tier 2 manufacture in automotive industry (design house, EMS, OEM, ODM). Strong R&D in software, hardware and system integration for hardware and software in global navigation satellite system (GNSS), wireless communication, embedded system to avionics, automotive and consumers electronics, LOCOSYS's products are delivered meeting international standards - IATF16949, REACH, PPAP, RoHS, CAMDS, ISO, AEC-Q100, SAE and so forth.

LOCOSYS has been offering our customers high-quality GPS & GNSS Positioning Modules since 2006, both with advanced technology and 11 years of experience, LOCOSYS ensures each customer's demands are met.

GNSS Modules


LOCOSYS HD-1612-BA is a complete standalone GNSS module.
LOCOSYS HD-1612-BA is a complete standalone GNSS module.

LOCOSYS HD-1612-BA is a complete standalone GNSS module which uses ALLYSTAR latest HD8020 GNSS chip to integrate with an additional LNA and SAW filter. The module can simultaneously acquire and track multiple satellite constellations that include GPS, BEIDOU, GALILEO, QZSS and SBAS. It features low power and small form factor. Besides, it can provide you with superior sensitivity and performance even in urban canyon and dense foliage environment.


  • ALLYSTAR high sensitivity solution
  • Capable of SBAS (WAAS, EGNOS, MSAS, GAGAN)
  • Support up to 72-channel GNSS
  • Fast TTFF at low signal level
  • Support 1PPS output
  • Built-in DC/DC converter to save power
  • Built-in additional LNA and SAW filter
  • Embedded an active antenna supervisor
  • SMD type; RoHS compliant
  • Qualification according to ISO 16750
  • IATF 16949 quality control


  • Satellite System: GPS, BEIDOU, and QZSS
  • Interface: UART
  • Input Voltage: 3.0V - 3.6V
  • Power (mA): 29.5mA
  • VB (uA): 13uA
  • Operating Temp (°C): -40 ~ 85
  • Dimension (mm): 16 x 12.2 x 2.2 mm


  • Personal positioning and navigation
  • Automotive navigation, model aircraft navigation
  • Marine navigation


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