سیستم ناوبری و مکان یابی tracking

به منظور ردیابی و تعیین موقعیت اجسام ثابت و متحرک سیستم های Tracking شرکت پرتونگار با ویژگی های بسیار رقابتی تولید شده اند که هم اکنون می توان از آنها در انواع خودرو ها ، ناوگان حمل و نقل و غیره استفاده نمود.
Power supply

SIM508 Tri-band: GSM 900, DCS 1800, PCS 1900. The band
can be set by AT COMMAND, and default band is EGSM 900
and DCS 1800.
Compliant to GSM Phase 2/2+
Frequency bands

Small MS
GSM class

Class 4 (2W) at EGSM900
Class 1 (1W) at DCS1800 and PCS 1900
Transmit power

GPRS multi-slot class 10 (default)
GPRS multi-slot class 8 (option)
GPRS mobile station class B
GPRS connectivity

GPS receiver with SiRFstar III GSC3f chip set
Processor type ARM7/TDMI
Software version: SiRF GSW3
GPS features

Normal operation: -20°C to +55°C
Restricted operation: -30°C to -20°C and +55°C to +80°C
Storage temperature -40°C to +85°C
Temperature range

GPRS data downlink transfer: max. 85.6 kbps
GPRS data uplink transfer: max. 42.8 kbps
Coding scheme: CS-1, CS-2, CS-3 and CS-4
SIM508 supports the protocols PAP (Password Authentication
Protocol) usually used for PPP connections.
DATA GPRS

The SIM508 integrates the TCP/IP protocol.
Support Packet Switched Broadcast Control Channel (PBCCH)
CSD transmission rates: 2.4, 4.8, 9.6, 14.4 kbps, non-transparent
Unstructured Supplementary Services Data (USSD) support
CSD:

MT, MO, CB, Text and PDU mode
SMS storage: SIM card
Support transmission of SMS alternatively over CSD or GPRS.
User can choose preferred mode.
SMS

GSM part: Connected via 50 Ohm antenna connector or antenna
pad - GPS part: Separate GPS antenna connector. See Figure 33 for
details
External antenna

95 x 37 x 12 mm - 150g
Physical characteristics

Up to 2 GB
Memory