Rikaline GPS-20 is a satellite positioning receiver engine that uses the advanced second-generation satellite receiver chip (SiRF Star II) from the American company SiRF. It has comprehensive functions and is suitable for various applications such as car navigation, security systems, and map production. The product features high sensitivity reception, power saving, and support for RTCM.
This manual describes the GPS-20 satellite receiver, its features, and how to install and operate the device. It includes product overview, power management, hardware interface, and data output settings.
Technical specifications, power‑saving modes, and troubleshooting information are provided, along with warranty and accessory details. The document is written in Chinese and targets system integrators and end‑users who need to configure the receiver for navigation, tracking, or data logging applications.
| Dimensions (L×W×H) | 71.1 mm × 40.6 mm × 14.4 mm |
|---|---|
| Weight | 25 g |
| Operating Temperature | -40 °C to 85 °C |
| Storage Temperature | -5 °C to +100 °C |
| Power Supply | 5 V TTL, 3.3 V TTL |
| Working Current | 170 mA |
| Coordinate System | WGS84 (built‑in) |
| Maximum Satellite Tracking | 12 satellites simultaneously |
| Position Accuracy (no correction) | 5‑25 m CEP |
The device can be powered from either a 5 V TTL supply or a 3.3 V TTL supply.
It can simultaneously track up to 12 satellites.