This product is based on GSM / GPRS network and GPS satellite positioning system, short messaging, or mutual contact via the remote target for positioning or monitoring, is the most technologically advanced GPS and AGPS double positioning, water level can reach IPX-6.          2. Scope: Child / elderly […]

For some conditions the requirements about mobile phone jammers are high for example in some places such as the prisons the mobile phone jammers are sometimes used outside in this case the mobile phone jammers should own the waterproof function so that when it rained the device won’t be damaged and can always stay in […]