Call Back Gsm Listening Device

详情

Flashlight Regardless of the boot or shut down in the state, touch the “X” labels. Boot Open the back cover,insert the SIM card holder automatically boot, boot-up indicator light **8 seconds until the indicator light means the rear cover can be stamped out after the dial-up use.(Note:metallic surface face down and gap direct interior,according to the pictures indication). Install Please note that GSM network singal strength ,do no install in the absence of singal or weak signal areas,so as not to affect the use. Number of settings Switch out to the A position before you setting number then send SMS “GDM”+”mobile number that want to receive” to the inserted card number (such as GDM**********9) (Note:GDM necessary to complete capital letters) Voice-activated functions Hold the to”B” and it’s in sound activated mode,will auto-dial the cellphone back when there is sound. Hold the to”A’ and it’s NOT in sound-activated mode,dial the inserted number when you want to check it’s surrounding,the device will not automatically back out.can only answer call.