User Manual of TK419 Tracking Device

TK419 user manual document includes the basic technical requirements and feature set for the TK419 tracking device which is mainly optimized for reliability, low data flows and size. Review the product details at https://www.eelinktech.com/tk419-4g-lte-3g-wcdma-2g-gsm-gps-vehicle-tracker-ignition-fuel-cut-off-ibutton