AVAILABILITY : 0SMS Message GPS Tracker - with this handy little device you'll be able to track an object or yourself from a remote location using ordinary GSM SMS messages. The small lightweight device houses a SIM card and battery, and is able to be used anywhere you have GSM and GPS coverage. During a quick and painless setup process you'll be able to set the time of tracking refreshes as well as the remote phone the device will keep in contact with. After setup it's as simple as ''asking'' the GPS device to start tracking or just for a single location result, you can even use contact the tracker with voice and whoever has the tracker can reply using the built in microphone. The SMS given to you from the tracker shows location, speed and the date with time. Suitable uses include asset protection, plotting routes and keeping track of children.This is a tri-band product working on the frequencies of 900MHz, 1800MHz and 1900MHz.Main Function: GPS TrackerGSM: Tri Band 900MHz, 1800MHz, 1900MHzGPS Sensitivity: 159dBGPS Frequency: L1, 1575.42 MHzGPS Positional Accuracy: 5m-25mVelocity Accuracy: 0.1m/sVelocity Limit: 515 m/s (1000knots)Altitude Limit: 18000 Meters (60,000 Feet)Typical Battery Life: >40hrsStart Up Times (Acquisition)- Hot Start: 1 Sec (avg)- Warm Start: 38 Sec (avg)Power Source: 3.7V 800mAh Li Ion Battery (USB Recharging)Dimensions: 75mm x 45mm x 23mm (L x W x D)Product Notes: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 messageLEDs to Indicate StatusEasily Enter Coordinates into Google Earth for Visual Indication of Location.Note: This item sends SMS messages though a GSM cellular network. Your SIM card must you install in this product must be a working SIM card (an active account).Free ShippingDHL or UPS Worldwide Air Express, 3-6 day deliveryDepending on your country and state, taxes may be due upon receipt, payable to courier service company12-Month Warranty