BTGP-38KM is a Bluetooth GPS data logger that integrates Bluetooth and GPS technologies. It can receive and store GPS data on devices with Bluetooth capabilities, and supports applications such as positioning, navigation, and browsing of historical track records.
This manual introduces the BTGP-38KM Bluetooth GPS data recorder, describing its integrated Bluetooth and GPS functions, memory capacity, and supported software. It outlines the device’s hardware features, including size, weight, and LED indicators.
The guide details how to install the battery, charge the unit, establish a Bluetooth connection, install the GPS Track Tagger software, and view recorded tracks on a map. It also lists technical specifications for GPS and Bluetooth performance, power consumption, and environmental limits. This manual is written in Chinese.
| Receive frequency | L1, 1575.42 MHz |
|---|---|
| Search sensitivity | -151 dBm |
| Tracking sensitivity | -160 dBm |
| Position accuracy | 7 m CEP 90 % |
| Speed accuracy | 0.1 m/s |
| Hot‑start time | 1 s |
| Warm‑start time | 35 s |
| Cold‑start time | 40 s |
| Maximum altitude | 10 km |
| Maximum horizontal speed | 515 m/s |
| Maximum acceleration | 4 g |
| Bluetooth version | V2.0+EDR |
| Bluetooth transmit power | 4 dBm max |
| Bluetooth receive sensitivity | -80 dBm |
| Typical communication distance | 10 m |
| Working voltage | 3.7‑4.2 V |
| Battery charging time | ≈2.5 h |
| Battery runtime after full charge | ≈18.5 h |
The device can operate for about 18.5 hours on a fully charged battery.