The SinoTrack ST-901M is a versatile GPS tracker that offers a range of features to help you keep track of your vehicles. With its compact size and easy installation, it is suitable for a variety of applications, from personal vehicles to fleet management. One of the standout features of the ST-901M is its accurate positioning capabilities. It uses a Ubox 7020 GPS module, which provides a position accuracy of up to 10 meters. This ensures that you can always know the exact location of your vehicle. Additionally, the tracker has a tracking sensitivity of -159dBm and an acquisition sensitivity of -144dBm, allowing for quick and reliable location updates. The ST-901M also offers various tracking options. You can track the location of your vehicle via SMS or GPRS (TCP/UDP). With SMS tracking, you can send a message to the tracker and receive its current location in response. GPRS tracking allows for real-time location updates and can be set to track at specific time intervals. This flexibility ensures that you can choose the tracking method that best suits your needs. In terms of security, the ST-901M has several alarm features to keep your vehicle safe. It can send an alarm notification in the event of main power cut off, shock, or over speed. This allows you to take immediate action if any suspicious activity is detected. Additionally, the tracker has the ability to remotely control fuel and power, allowing you to disable or enable them as needed. Overall, the SinoTrack ST-901M is a reliable and feature-packed GPS tracker that offers accurate positioning, multiple tracking options, and advanced security features. Its small size and easy installation make it a convenient choice for both personal and commercial use.