Stonex S9II S900A GNSS RTK Receiver

The Stonex S9II S900A is a professional GNSS RTK receiver designed for conventional base and rover surveying. It combines multi-constellation satellite tracking with IMU tilt measurement and several communication options, including UHF radio, 4G, Wi-Fi and Bluetooth.

Its dual-battery configuration allows batteries to be replaced during field operations, helping survey teams maintain longer working periods without replacing the complete receiver.

RTKSurvey.com supplies the Stonex S9II S900A for surveying, mapping, construction and engineering applications.

Key Features

• 1408-channel multi-constellation GNSS tracking
• IMU tilt surveying up to 60°
• Built-in UHF radio
• 4G cellular communication
• Wi-Fi and Bluetooth connectivity
• BDS B2b PPP and Galileo HAS support
• E-Bubble function
• Dual hot-swappable batteries
• TTS voice broadcast
• 8 GB internal storage with MicroSD expansion
• IP68 protection

Core Specifications

GNSS Channels: 1408
RTK Accuracy: H ±5 mm + 0.5 ppm; V ±10 mm + 0.5 ppm
Static Accuracy: H ±3 mm + 0.5 ppm; V ±5 mm + 0.5 ppm
IMU Tilt: Up to 60°
UHF Frequency: 410–470 MHz
Radio Range: Up to approximately 10 km under suitable conditions
Cellular Communication: 4G
Storage: 8 GB
Expansion: MicroSD
Battery: 3400 mAh × 2
Operating Time: Up to approximately 12 hours with two batteries
Weight: Approximately 1.2 kg with one battery
Protection Rating: IP68
Operating Temperature: -30°C to +65°C

Applications

• RTK topographic surveying
• Cadastral surveying
• Construction surveying
• Engineering measurement
• Base and rover operations
• Network RTK surveying
• Road and infrastructure projects
• Long-duration field data collection

Related Products

• Stonex S6II Lite GNSS RTK Base Station
• Stonex S30 SE GNSS RTK Receiver
• Stonex S1 AR GNSS Receiver
• Stonex S3 AR GNSS Receiver