MK04 series module is a highly integrated BLE 4.2 module with NFC function, it was designed for high data rate, short-range wireless communication in the 2.4GHz ISM band. The module is designed based on Nordic Semiconductor nRF52832 radio Transceiver IC, האט א 32 ביסל ARM Cortex-M4 קפּו, בליץ זכּרון און אַנאַלאָג און דיגיטאַל פּעריפעראַלס. MK04 provides a low power and ultra-low cost BLE and proprietary protocols for wireless transmission applications.