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):
Product Resources
Official Documents:
Driver Downloads:
How to Articles and Blogs:
- How to use a RTK GNSS Receiver for Android: A Step-by-Step Guide
- Utilizing a USB/Bluetooth RTK GNSS Receiver with a Windows 10/11 Laptop: A Step-by-Step Guide
- How to Connect a USB/Bluetooth RTK GNSS Receiver to Windows? (Accessing NTRIP Through an Android Phone’s Internet Connection)
- Utilizing a RTK GNSS Receiver for Linux: A Step-by-Step Guide
- Utilizing a USB/Bluetooth RTK GNSS Receiver for High Accuracy Data Logging: A Step-by-Step Guide
- NTRIP RTK products buyers’ guide