Dear Sir,
I'm a leader of electronics team. We have avg over 6 years experience in the designing electronic device. We have special experience to design tracker devices. We have worked with much GPS , GSM module from Ublox, Quectel, Simcom, Seirra Wireless, Cinterion,... We have also great experience work with GPS chipset as MT3339, UBX-G7020..
We make sure that our ability help you complete the project in perfection.
Please, PM me.
Thank