GPS tracker manufacturer
We are specialized in providing EMS service, we can offer you all kind PCB PCBA plastic injection making. Here is one of our ODM product: STC-01 GPS tracke which is much cheaper than agent, you will see the details information as belows about this STC-01 GPS tracker. If you want to learn how we produce it, you may be welcomed to visit our factory.

Specifications
GSM: Tri Band 900MHz, 1800MHz, 1900MHz only
GPS Sensitivity: 159dB
GPS Frequency: L1, 1575.42 MHz
GPS Positional Accuracy: 5m-25m
Velocity Accuracy: 0.1m/s
Velocity Limit: 515 m/s (1000knots)
Altitude Limit: 18000 Meters (60, 000 Feet)
Typical Battery Life: >40hrs
Start Up Times (Acquisition)

- Hot Start: 1 Sec (avg)
- Warm Start: 38 Sec (avg)
Power Source: 3.7V 970mAh Li Ion Battery (USB Recharging)
Dimension: 75mm x 45mm x 23mm (L x W x D)
Other Features:
The key on the unit can be held down for 3 seconds to emergency call to the remote phone, or 6 seconds to send SMS location message.
Updates via sent text message
LEDs to Indicate Status
Easily Enter Coordinates into Google Earth for Visual Indication of Location.

Accessories:
Manual
Battery
USB Cable
Power Adapter
Waterproof case