KOE-2000G = GSM Wireless Alarm Host * 1 SOS Button * 2 English Manual and Battery Note: The package includes battery. The products only work for our in-store host alarm system. They are can't work with other branded products. This product only supports 2G network, it can't support 3G/4G network. the carrier of dim card need to support 2g network. Notice: Please check the following points when the main unit fail to store phone number. 1, You must first insert thr SIM card into a regular mobile phone/smartphone, disable the factory activated sim card lock there and then insert the sim card into the head unit. The sim card lock must then be deactivated because it is not possible to insert a PIN to unlock the card via the main unit. 2, please confirm your SIM card support 2G network. after ins.
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