T-105 Series T-105 is a durable and water resistant GPS/GSM/GPRS tracker. Users can install T-105 on vehicles or assets for tracking. It can send out SMS with its location (longitude and latitude) to user's cell phone by GSM network or to personal computer by internet connection of GPRS network. Then users can track the location of their vehicles or assets. T-105 is designed to equip with high capacity of Li-ion battery for long operation time. There is one SOS button on the T-105 for emergency help. It is very easy to install or hide T-105 in the car to perform tracking. T-105 is ideal application for personal & vehicle tracking and equipment/assets monitoring.