Features
 GSM/ SMS/ GPRS communication
 Remote command control via mobile
 Track on internet real-time via GPRS
 Locate and track your car all the time
 True real-time tracking and monitoring
 DIY GPS Tracking, without call center
 No monthly service charges to be paid
 Use your own PC, NB, or PDA to do the tracking
 Available also for call center or web-based tracking
 Can receive phone calls for bi-direction conversation
 SOS function to summon help to the exact location/ place
 Report vehicle position at a preset time interval to your PC 　
 SMS tracking mode, or real time GPRS tracking mode, or GSM mobile mode     available
 Monitor the sound in car remotely by mobile by sending a SMS code to AVL, w/o     interfering the one in car
 Park function to send SMS to the preset phone#, when someone moves the car     w/o permission for over 50M

Functions

GPS Position Tracking Function 　
With this function, the car owner will be able to know the geographic coordinates, speed, direction,+ other related information of the vehicle anytime in any place. The report method can be via SMS short message service, or via GPRS. You can also select a one time report or continuous report (tracking function).

In-Car Monitoring Function
By receiving detection message thru the delicate microphone, you can monitor the situation in the car from mobile phone by sending a SMS code to the unit, w/o interfering the persons in the car. With this real-time surveillance equipment, you can monitor the situation in the car, LIVE. You can also run the monitoring function by making a phone call to the unit. After 5 rings, the monitoring function will be activated automatically.

Geo-fence Park Function
When park your car or leave your valuable asset at a certain place, you can press "PARK" button to guard it. EyStar SOS-03 will send a SMS message to the preset mobile phone number, when someone moves the car or the asset without permission for over 50 meters.
　
　
SOS Emergency Help Call Function
When the driver of the vehicle presses the SOS button, EyStar SOS-03 will immediately send SMS message and make phone call to the person whom you preset in the system. In case it fails to contact the first priority person, it will then send SMS message + make phone call to the next priority person; and then to the 3rd/ 4th/ 5th/ 6th priority person - until one of them receives the phone call. When receive such kind of phone call, one can immediately start the monitoring or conversation function, so as to know more precisely what happened in the car.
　
　
Six Sets of SOS Help Call Function
This product has a calling list containing 6 sets of phone numbers to be notified for SOS help call. The owner of the vehicle can set the SOS help phone call numbers, according to his or her needs.
　
　
Bi-Direction Phone Conversation Function
You can make phone calls to EyStar SOS-03 on the vehicle from a remote place for bi-direction phone conversation with the driver. When there is an incoming call, there will be a voice prompt. At this time, the driver can press the "Pick-Up/ Hang Up" button to start the conversation. AVL-901 can also dial out to the 2 preset phone numbers for two-way phone conversation.

(1)	Make sure you did have installed a GSM SIM Card to AVL; and its GPRS function had been enabled.

(2)	Fixed IP Address is required for the operation; Intranet is NOT workable for this operation.

Specification

EYSTAR SOS-03 Hardware Specifications

Dimensions	135mm x 76mm x 25mm (AVL unit)
Bandwidth	EGSM900: TX880-915MHz，RX 925-960MHz DCS1800：TX 1710-1785MHz，RX 1805-1880MHz GSM850：TX824-849MHz，RX 869-894MHz GSM1900：TX1850-1910MHz，RX 1930-1990MHz
Max. RF Output Power	EGSM900、GSM850：33 dBm(2W) GSM1800、GSM1900：30 dBm(1W)
Transmission Speed	Circuit switched 4.8/9.6 kbps
Resistance	50Ω
GPS Module	SiRF Star III
Frequency	L1，1575.42MHZ
Channels	20 channels
Position Accuracy	10 meters CEP, w/o SA
Speed Accuracy	0.1 meter/ second, w/o SA
Coordinate System	WGS-84
Hot Start	< 8 Seconds
Warm Start	< 38 Seconds
Cold Start	< 60 Seconds
Height	18000 meters（60000 feet）max.
Speed	515meters / second（1000 knots）max.
Acceleration	4g max.
Working Voltage	5 to 24 VDC
Housing	Metal
Power Consumption in stand-by mode	1W
Power Consumption in working mode	2W
Operation Temperature	-20°C to +70°C
Storage Temperature	-30°C to +80°C
Humidity	0~95%, non-condensing