It may solve the connection problem. Reset the phone: Send number 444 to alarm phone. Record: Send number 555 to alarm phone, begin to record. All you need is a working SIM card (NOT included!). Sound monitoring: Send number 666 to alarm phone.
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GPRS frequency: Class2, TCP/IP built-in GSM Module. GSM frequency: 850/900/1800/1900MHz. Hot start: <2sec (open sky). We do not provide the sim card for these unit, you will need to provide your own.
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Low battery alarm. Shock sensor Alarm. Over speed alarm. Anti-tamper alarm. HUGE BATTERY. Powerful magnetic cover to absorb vehicle firmly, EASY hide it in a less-noticed place. 1pc AC adapter(USB CABLE).
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GSM quad-band systems worldwide. GSM Frequencies:850/900/1800/1900 MHz. Card:ordinary sim card (2G GSM Card)(NOT INCLUDE). An external relay, remote power off the oil function. Avoid being placed with singal radiators like reverse sensor.
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Very successfully used once for a short period.
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It uses secure Find My Network to locate your item. No distance limitations in areas with active devices. Durable waterproof housing makes it suitable for all weather conditions. try to avoid from water for long use.
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GSM Quad Band GSM 850/900/1800/1900Mhz. Electronic fence: draw an area on the platform map. When the vehicle goes out or enters its own area, the platform will have alarm information, suitable for vehicles.
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GSM Quad Band GSM 850/900/1800/1900Mhz. SIM Card: ordinary sim card (2G GSM Card)(NOT INCLUDE). Support 4-frequency GSM 850/900/1800/1900 MHz which can Work worldwide. Support Geo-Fence Alarm. Main Power Off Alarm.
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