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Shenzhen Xueda Technology Firm 15yr.
Contacts:朱旭兵 Chat
Mobile:86-18906896689
E-mail:jessi1209@126.com
Working frequency: 850MHZ, 900MHZ, 1800MHZ, 1900MHZ
Matters needing attention:
1. The product can only be used with external power supply equipment.
2. The product does not have waterproof function to avoid water inflow.
2. When installing, please pay attention to the signal strength of GSM network. Do not install it where the signal has no signal or is weak.
3. Make a bad call, plug the card and start up again or make sure the external power supply equipment is normal.
4. If you do not reply to the location information, please check whether the GIM card is in arrears, whether the GIM card messages are fully stored, and test again after emptying.
5. Please strictly observe the relevant laws of the state, and the product shall not be used for any illegal purpose, and the user shall be responsible for the consequences.










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