Elink‘s TK419 series of tracking device has 3 version based on the different function.
The biggest feature of Tk419 is that it can support 2G/3G/4G network, which make it become the most competitive tracking devices for fleet in the market.
4g GPS tracker Tk419 function diagram as below
Each version of TK419 has its different name, for example, you choose the tracking device with SOS button, we will call it TK419-S.The other model of TK419 series is TK419-B and TK419-I.
Next we will introduce their differences briefly.
SOS Alarm (Default version)
In TK419-S, there is a SOS button to be eqqipped to send SOS signal to server or manager.Once there is an emergency situation. Driver can press it once they are robbed or threatened.
External Battery(Extension version A)
TK419-B, Big external battery will help TK419-B to standby for long time without power supply.
iButton(Extension version B)
TK419-I can use iButton to identify the driver, legal driver can start the engine and illegal driver will be denied. also can be used in the similar application of identification.
As the EELINK's Only model support LTE-FDD , TK419 is the pioneer, it also the only model support 2G/3G/4G simultaneously, you needn't worry the network.