The SinoTrack ST-901A 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-901A 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 satellite signal acquisition. The ST-901A 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 tracking by sending location data at regular time intervals. This can be particularly useful for fleet management, as it allows you to monitor the movement of multiple vehicles simultaneously. In terms of security, the ST-901A has several alarm features. It can send notifications in the event of main power cut off, shock, or over-speeding. This ensures that you are promptly alerted to any potential issues with your vehicle. Additionally, the tracker allows for remote control of fuel and power. This means that you can remotely disable or enable the fuel and power supply of your vehicle, providing an extra layer of security. Overall, the SinoTrack ST-901A 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.