This product is a wireless Bluetooth GPS receiver that supports NMEA0183 v2.2 data protocol or SiRF binary code and is 100% compatible with Bluetooth™ Serial Port Profile (SPP). The Bluetooth version is 1.2. It can be powered by the car battery without the need for a power adapter.
The Holux GR-239 is a Bluetooth‑enabled GPS receiver designed for automotive use. It tracks up to 20 satellites simultaneously, supports NMEA0183 v2.2 and SIRF binary protocols, and uses Bluetooth 1.2 SPP for wireless data transfer, drawing power directly from the car battery.
This Quick Guide walks you through first‑use procedures, including adjusting the receiver head, powering the unit, establishing a Bluetooth link with a PDA, and installing the GPS Viewer software. It also includes safety notes, passkey information, and tips for optimal signal reception.
| Satellite tracking channels | 20 parallel channels |
|---|---|
| Supported data protocol | NMEA0183 v2.2 or SIRF binary |
| Bluetooth version | 1.2 |
| Power source | Car battery (no adapter required) |
| GPS Viewer baud rate | 38400 |
Slide the power switch to the ON position.
The default passkey is 0000.
It supports 20 parallel satellite‑tracking channels.
Set the baud rate to 38400.