... DVS support GPS, SMS , alert, DVR WCDMA/HSPA smart design Wireless Body Worn Camera 3G mini DVSSpecification1.3G video & audio scene ... built-ion GPS geography information,real-time display.3.IP network communication ,no limit of area 4.2.4 G wirless ... state,can leave a small hole.16Wireless controlBuilt in wireless control,suport separate wireless remote control for the record and photo,urgency ...