With the continuous development of GPS positioning technology and the continuous improvement of positioning accuracy, GPS precise height measurement poses a challenge to traditional leveling heigh...
The satellite positioning system supports a one click alarm function, which can send an alarm for help in emergency situations. Voice call: The satellite positioning device supports the access of...
The provisions contained in the following standards, through reference in this standard, constitute the provisions of this standard. At the time of publication of this standard, all versions shown...
GPS is developing rapidly, and many people are gradually hearing or seeing GPS products. But it makes more people feel puzzled, what is GPS? What is in car GPS? This is a very general but fundamen...
Car GPS has two main purposes: positioning, monitoring, and navigation. Due to the wide range of civilian use in navigation, when it comes to in car GPS, it is a navigation product used in cars. T...
Chip selection As a navigation product, what we are most concerned about is its ability to receive satellites, that is, the ability to take over information signals. The car GPS sold in the curre...
1) Small areas under one acre are generally not recommended for use, as there may be some discrepancies between the measured results and the actual situation 2) Before first use, the battery must...
The remote control is mainly composed of a microprocessor chip that forms the remote control signal, a crystal oscillator, an amplification transistor, an infrared light emitting diode, and a keyb...
After turning on the machine, enter the area meter. Press Start, and the machine can be held in your hand or put in your pocket. Walk around the land you want to measure and press Stop, and the ar...