J16 GPS Tracker is a popular and ANATEL approved live tracking device with engine kill function. Its GSM module is SIM7670SA module which supports bands of all countries and work in all countries, especially for USA, Brazil, Mexico, Chile, Peru, Ecuador, Columbia, Argentina, etc.ANATEL certification is a must to sell and distribute the J16 GPS tracker in Brazil. It is small in size and comes with built in antenna. By connecting with relay, it can remotely cut off vehicle engine. As well, it has a built-in 150mAh backup battery. In case of tamper or disconnection with main power, there is alert at APP or preset phone number.J16 GPS tracker has 2 versions because of the quantity of wires4 wire: It is a basic GPS tracker with engine immobilize by connecting with a 12V or 24V relay.8 wire: Beside engine kill function, SOS button for emergency alert and Microphone for remote voice monitoring are included.J16 GPS Tracker Features:1. 4G LTE FDD +2G Quad bands GPS tracker2. Industry standard GPS module. Faster networking speed, more stable GPS signal3. Small size. It is easy to be installed hidden.4. Real time tracking5. Remote vehicle engine cut off with connection of 12V or 24V relay6. Vibration alarm. Built in shock sensor to detect abnormal vibration.7. Geo-Fence alarm. Setup Go and No-go areas at web tracking software or APP to restrict vehicle movement.8. Power tamper alarm. 150mAh built-in backup battery. It sends alarm to web tracking software and APP if the installation is tampered.9. Web tracking platform & APP, support branding and customization.10. Email alert. When any alarm is triggered, the vehicle owner can receive email alerts without login APP or tracking software.11. Vehicle maintenance report. Check vehicle maintenance by mileage or insurance days on web tracking software, send a remind email to vehicle owner online12. SOS alarm. By connecting with SOS button to send emergency alert when SOS button is pressed.13. Voice monitoring. By connecting with microphone to monitor voice around the device.