GeoAstra RTB609BT USB / Bluetooth RTK GNSS Receiver (IP67 Waterproof, L1, L5 dual-band, cm level accuracy)

The RTB609BT is a high-performance, dual-band RTK GNSS module receiver designed for professional positioning needs. It supports both L1 and L5 frequency bands from GNSS constellations including GPS, BDS, GLONASS, Galileo, QZSS, IRNSS, and SBAS. Using optimized multi-signal tracking and anti-multipath technology, it enhances performance in complex environments and improves accuracy.

The RTB609BT is a RTK GNSS receiver, achieving horizontal positioning accuracy up to 1 cm and vertical accuracy up to 3 cm. It features both USB and Bluetooth interfaces for convenient connectivity to computers, smartphones, tablets, and other devices. This low-cost RTK GNSS receiver is ideal for scenarios requiring ultra high accuracy positioning.

Features:

Supports Multiple GNSS Systems: GPS L1, BDS B1I, BDS B1C, Galileo E1, QZSS L1, GLONASS G1

Advanced Frequency Support: GPS L5, BDS B2A, Galileo E5, QZSS L5, IRNSS

SBAS Compatibility: WAAS, EGNOS, MSAS, GAGAN

Easy Integration: Plug and play with standard NMEA0183 communication protocol

High Performance: 200 tracking channels with a fast search engine

Certifications: Compliant with RoHS, FCC, and CE standards

Bluetooth Configuration: Name: GeoAstra, Password: 1234

 

GeoAstra RTB609BT Screenshots Demo:

RTB609BT RTK-Fix displayed on the manufacturer’s testing tool - "NavStar Tool"

 

Tech Specs:

GNSS Model: TK609BT

Chip: High precision GNSS chip

Bluetooth Name: GeoAstra

Bluetooth Password: 1234

GNSS: L1:

• 1602 MHz (GLONASS G1)

• 1575.42 MHz (BDS B1C, GPS L1, QZSS L1, SBAS L1)

• 1561.098 MHz (QZSS L1)

GNSS: L5:

• 1176.45 MHz (Galileo E1, BDS B1I, GPS L5, QZSS L5, SBAS L5, Galileo E5A, BDS B2A, IRNSS L5)

TTFF (Time To First Fix)

Cold Start: ≤ 28 s

Hot Start: ≤ 1 s

AGPS Start: ≤ 1.5 s

Sensitivity

Sensitivity: -162 dBm

Re-acquisition: -159 dBm

Cold Start: -148 dBm

Hot Start: -159 dBm

Precision (Open Sky)

Autonomous Positioning: ≤ 1.5 m CEP

SBAS: ≤ 1 m CEP

DGNSS: ≤ 1 m CEP

RTK FIX:

• 1.0 cm + 1 ppm (H)

• 3.0 cm + 1 ppm (V)

PPS Precision: ≤ 20 ns

Speed Precision: 0.05 m/s

Output Data

Output Level: 1-20 Hz (default 1 Hz)

Baud Rate: 115200 bps

Default Output: USB level (customizable UART TTL/RS232)

Operation Conditions

Operation Voltage: 3.3V ~ 5V

Operation Current: 45 mA

Mechanicals & Environmental

Product Size: 82 mm * 71.8 mm * 26.6 mm

Connector: USB

Weight: ≤ 200 g

Cable Length: 3 m (customizable)

Operating Temperature: -40°C ~ +85°C

Storage Temperature: -40°C ~ +85°C

Humidity: 5% ~ 95% non-condensing

Water/Dust Resistance: IP67

 

Dimensions (mm):