The HB59 is a high-performance multi-function OEM GNSS receiver powered by the Septentrio AsteRx-m3 Pro+. Configurable as a base station or rover, it delivers centimetre-level RTK positioning across multi-frequency, multi-satellite constellations. In dual-antenna mode it provides heading with pitch and roll information for reliable static and dynamic navigation — designed for drones, autonomous robots, precision control and unmanned driving, with Septentrio’s AIM+ anti-interference and inertial-navigation support for demanding environments.
The HB59 is a high-performance multi-function OEM GNSS receiver powered by the Septentrio AsteRx-m3 Pro+ — delivering centimetre-accurate RTK positioning with Septentrio’s full AIM+ anti-interference protection suite. With 544 hardware channels, a 100 Hz measurement update rate and <10 ms latency, the HB59 is engineered for applications where accuracy, speed and signal integrity are non-negotiable.
Configurable as a base station or rover, and in dual-antenna mode it outputs heading, pitch and roll data for reliable static and dynamic navigation. Built-in Ethernet, three UART serial ports, USB-C, a 1PPS timing output and Micro SD logging make the HB59 a versatile integration platform for drones, autonomous robots, precision machine control and unmanned vehicles.
Product Features
Powered by Septentrio AsteRx-m3 Pro+ — 544 hardware channels with 2 million+ active correlators
Multi-frequency, multi-satellite tracking with full tri-frequency support across all major constellations
100 Hz measurement and position update rate with <10 ms ultra-low latency
0.6 cm + 0.5 ppm horizontal RTK accuracy; 7 s RTK initialisation time
Dual-antenna heading: 0.15° accuracy at 1 m baseline / 0.03° at 5 m baseline
Septentrio AIM+ anti-jamming, IONO+, LOCK+, APME+ and RAIM+ signal-integrity technologies
OSNMA anti-spoofing support for authenticated GNSS
Stable signal tracking during high-frequency vibration and fast movement
Integrated TCXO, LNA and Micro SD slot (up to 32 GB)
Built-in Ethernet, 3× UART, USB-C and 1PPS output
Wide supply voltage: 4.5–12.0 V; operating temperature −40 °C to +85 °C
Compact OEM module: 71.8 × 50.2 × 12.5 mm
Performance Specifications
Parameter
Specification
Hardware Channels
544
Measurement Update Rate
100 Hz
Latency (99.9%)
<10 ms
RTK Horizontal Accuracy
0.6 cm + 0.5 ppm
RTK Vertical Accuracy
1 cm + 1 ppm
RTK Initialisation Time
7 s
Heading Accuracy (1 m baseline)
0.15°
Heading Accuracy (5 m baseline)
0.03°
Speed Accuracy
0.03 m/s
Timing Accuracy (1PPS)
5 ns
Cold Start TTFF
<45 s
Warm Start TTFF
<20 s
Recapture
1 s
Standalone Accuracy (RMS)
H: 1.2 m / V: 1.9 m
SBAS Accuracy (RMS)
H: 0.6 m / V: 0.8 m
DGNSS Accuracy (RMS)
H: 0.4 m / V: 0.7 m
GNSS Satellite Reception
System
Signals
GPS
L1 C/A, L1C, L2C, L2 P(Y), L5
BeiDou (BDS)
B1I, B1C, B2a, B2I, B3I
GLONASS
L1 C/A, L2C/A, L3, L2P
Galileo
E1, E5a, E5b
NavIC
L5
QZSS
L1 C/A, L1C, L2C, L5
SBAS
EGNOS, WAAS, GAGAN, MSAS, SDCM
Mechanical & Electrical Specifications
Parameter
Specification
Dimensions
71.8 × 50.2 × 12.5 mm (±0.3 mm)
Supply Voltage
4.5–12.0 V
Tracking Current
320 mA @ 5.0 V (typical)
Antenna Supply
150 mA max @ 5.0 V
ESD Protection
2000 V HBM
Operating Temperature
−40 °C to +85 °C
Storage Temperature
−55 °C to +85 °C
Humidity
5–95% RH (non-condensing)
Max Altitude
18,000 m
Max Speed
515 m/s
Dynamic Shock
≤4 g
Interfaces & Connectivity
3× UART serial ports (115200 bps – 4 Mbps)
Built-in Ethernet (RX+/RX−/TX+/TX−)
USB-C (USB 2.0 data + 5 V power)
Micro SD slot (up to 32 GB)
1PPS timing output (5 ns accuracy)
External event input — EVENTA, 5 V tolerant
MAIN + AUX1 antenna ports (3.0–5.5 V DC bias)
Supported Protocols
Protocol
Description
NMEA 0183 v3.01 / v4.0
Input / output (ASCII)
Septentrio Binary Format (SBF)
Input / output
RTCM v2.x, v3.x; CMR v2.0; CMR+
Correction data input / output
Applications
UAV / drone navigation and precision payload control
Agricultural machinery and precision farming
Autonomous ground robots and unmanned vehicles
Intelligent logistics and fleet management
Hazard monitoring and environmental sensing
GNSS base station and reference receiver
Product datasheet
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