Model: VT310 - Color: Blue - Aluminum alloy housing - Frequency: GSM 850/900/1800/1900MHz or 900/1800/1900MHz - GPS module: SiRF-Star III - GPS sensitivity: -158dB - GPS frequency: L1 1575.42MHz - C/A decoding: 1.023MHz chip rate - Channel: 20 channels - Position accuracy: 10 meters 2D RMS - Speed accuracy: 0.1m/sec - Time accuracy: Synchronize with GPS time - Default data: WGS-84 - Regain time: 0.1 second - Acquisition time: Hot start/1 sec; warm start/38 sec; cold start/42 sec - Altitude limit: 60000 inch - Speed limit: 515km/sec - Accelerated speed limit: - Vibrate limit: 20 meters/sec - 3 LED indicator - Built-in microphone and speaker - Features: - Current position report via SMS or GPRS - Interval tracking - Allows store up to 260000 position information - Alarm when tracker enter/exits preset area - Overspeed alarm low battery alarm - Provides an easy way to track your target - Powered by built-in 850mAh battery - Package includes: - 1 x GPS tracker - 1 x Antenna (300cm-cable) - 1 x GSM cable (290cm) - 1 x Connection cable (192cm)