Active Direction Finder product is a product that focus on voice &SMS Monitoring and Location for target phone under2/3/4/5G network.This solution adopts the vehicle-mounted/Manpack form with active working mode.When the mobile phone is captured and registered to the product successfully,the product can be used to play role asMan-in-Middle and monitor communication content,call nd SMS of specified target.In addition,with ndividual positioningdevice,the precise positioning of the target can be conducted like a radar to reduce users'reliance on personal experienceduring operation.Unlike traditional active product,our product adopts network migration technology instead of pushing target device degradefrom LTE/WCDMA to GSM network.In adition to monitoring and locating,the product also provides functionsincluding IMSI collection,target MSISDN acquisition,black/whitelist control,forged cal/SMS and other analysis features.