[Chip solution]:AX5243
[Working frequency]:425~450.5MHz
[Transmit power]:30dBm
[Communication distance]:6km
[Interface type]: UART
[Product weight]:5.1±0.1g
[Introduction]:E31-433T30S is a 433M SMD wireless serial port module (UART) with AX5243 radio frequency chip imported from AXSEM from Switzerland. It has half-duplex, integrated transceiver and transparent transmission mode, 425~450.5MHz frequency band (default 433MHz), TTL level output , with air wake-up function (ultra-low power consumption).