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Hertz Systems
PLEN

Military GPS / GNSS receivers

Positioning. Navigation.
Timing.

Satellite navigation receivers for the armed forces. Explore the Hertz Systems range and speak to us about selecting the right model.

Receiver overview
A navigation terminal used by a soldier in the field
Satellite navigation / Military applications

01 / Receiver family

Explore our models.

01 / GPS M-Code / Galileo PRS / INS

HGRST receiver

HGRST

A dual military GNSS receiver combining cryptographic GPS M-Code and Galileo PRS modules with a civilian multi-constellation receiver. Three independent signal sources support continuous determination of position, velocity and time. Built-in inertial navigation and integration with platform sensors support operation when GNSS availability is limited.

Key features

  • GPS M-Code MPE-M (L1, L2) and Galileo PRS GSRT1-E (E1, E6)
  • Civilian GNSS: SBAS, L1, L5, E1, E5
  • INS/IMU with three independent EKF filters
  • Spoofing and jamming detection algorithms
  • Integration with CRPA antennas from different manufacturers
  • Time server with 1PPS signal delay compensation

Technical specifications

Dimensions
245 × 152 × 63 mm
Power supply
9-33 V DC
Internal battery
3.6 V / 2.1 Ah
Interfaces
Ethernet, USB, CAN, RS232, RS422, 1PPS (TTL, RS422)

Applications

Land platforms, fixed installations, radar systems and maritime platforms.

Download data sheet PDF (PL)Enquire about HGRST

02 / GPS M-Code / Galileo PRS

HGPST4 PM receiver

HGPST4 PM

A dual receiver integrating GPS M-Code, Galileo PRS and civilian GNSS. It maintains compatibility with the standard HGPST4 in terms of dimensions, connectors, interfaces and protocols. It works with external inertial sensors to support the accuracy and continuity of navigation data.

Key features

  • GPS M-Code MPE-M (L1, L2) and Galileo PRS Mezza (E1, E6)
  • Civilian GNSS: SBAS, L1, L5, E1, E5
  • Six independently configurable communication interfaces
  • Extended Kalman filter for sensor data fusion
  • CRPA antenna integration and 1PPS delay compensation
  • Integration with an external IMU module available

Technical specifications

Dimensions
245 × 152 × 63 mm
Power supply
9-33 V DC
Internal battery
3.6 V / 2.1 Ah
Interfaces
USB, RS232, RS422, 1PPS (TTL, RS422)

Applications

Land platforms, fixed installations, radar systems and maritime platforms. On maritime platforms, installation is inside a protected compartment.

Download data sheet PDF (PL)Enquire about HGPST4 PM

03 / GPS M-Code / GNSS

HGPST4 receiver

HGPST4

A military cryptographic receiver combining a GPS M-Code module with civilian multi-constellation, multi-frequency GNSS. It works with the platform's inertial sensors, using their data to improve the accuracy and continuity of position, velocity and time determination.

Key features

  • GPS M-Code MPE-M (L1, L2)
  • Civilian GNSS: L1, L2, SBAS
  • Six independently configurable communication interfaces
  • Spoofing and jamming detection algorithms
  • CRPA antenna integration and 1PPS delay compensation
  • Built-in diagnostics and integration with an external IMU available

Technical specifications

Dimensions
245 × 152 × 63 mm
Power supply
9-33 V DC
Internal battery
3.6 V / 2.1 Ah
Interfaces
USB, RS232, RS422, 1PPS (TTL, RS422)

Applications

Land platforms, fixed installations, radar systems and maritime platforms. On maritime platforms, installation is inside a protected compartment.

Download data sheet PDF (PL)Enquire about HGPST4

04 / Compact GPS M-Code / GNSS

HGPST S receiver

HGPST S

A miniaturised military cryptographic receiver with a GPS M-Code module. Its compact housing, without external LEDs or buttons, facilitates installation in confined spaces. Inertial navigation algorithms use data from external sensors to support the navigation solution.

Key features

  • GPS M-Code uGram (L1, L2)
  • Civilian GNSS: L1, L2, SBAS
  • Five independently configurable communication interfaces
  • Extended Kalman filter for sensor data fusion
  • Integration with CRPA antennas from different manufacturers
  • Built-in diagnostics and integration with an external IMU available

Technical specifications

Dimensions
110 × 81 × 35 mm
Power supply
12-33 V DC
Internal battery
None
Interfaces
RS232, RS422, USB, 1PPS (TTL)

Applications

Maritime platforms, small land vehicles, unmanned aircraft and platforms with limited installation space.

Download data sheet PDF (PL)Enquire about HGPST S

05 / Miniature GPS M-Code

HGPST uG receiver

HGPST uG

The smallest satellite navigation receiver in the Hertz Systems portfolio. Designed primarily for unmanned platforms where size and weight constraints are critical. It provides access to cryptographically protected GPS signals.

Key features

  • GPS M-Code uGram (L1, L2)
  • Two independently configurable interfaces: RS232 and CAN
  • Additional RS422 interface on request
  • Customisable CAN binary data format
  • CRPA antenna integration and built-in diagnostics
  • Expansion with a compact INS/GNSS module available

Technical specifications

Dimensions
70 × 60 × 32 mm
Power supply
12-33 V DC
Internal battery
None
Interfaces
RS232, CAN, RS422 (on request), 1PPS (CMOS)

Applications

Light land platforms and platforms with limited installation space, including unmanned aircraft.

Download data sheet PDF (PL)Enquire about HGPST uG

Contact our team

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for your unit.

Ask about specifications, available configurations and integration with your systems.

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Downloads are the original documents in Polish. Official funding logos are reproduced in their original form.