This module integrates a Zhongke Weibeidou AT6558 navigation chip and a MAX2659 amplification chip used to amplify the antenna signal. The AT6558 has high performance, supports many types of satellite navigation system, capable of receiving satellite signals on 56 GNSS signal channels from 6 satellite navigation systems, joint location, navigation, weather and more. The module is able to obtain accurate information of global location, fast and precise positioning for any place.

The module can be widely used in vehicle monitoring, car navigation, on-board navigation, notebook navigation, etc. You can connect it to Port C on the M5core via the Grove cable, which is a standard UART interface.

This is a wireless communication module, integrated with the M8321 NB-IoT module, which provides TD-LTE / FDD-LTE / WCDMA / TD-SCDMA / GSM / GPRS / EDGE frequency band and LCC + LGA package type. It integrated abundant Internet protocols, standard field interface and functions, supported WindowsXP, Windows7, Windows8, Windows10, Linux and Android USB driver.

In the layout of the LTE-4G module, more hardware resources were added, reserved lanes for speakers, 3 LEDs, USB interface, double antenna allowed.