[Introduction]：E70-433MT14S is a wireless serial port module (UART) based on TI's CC1310 (built-in dual-core ARM) radio frequency chip, which can work in the 431-446.5 MHz frequency band (default 433MHz), GFSK modulation method, TTL level output,3.3V IO port voltage; this product adopts 24MHz industrial-grade crystal oscillator to ensure its industriality and stability