[IC]：nRF52810

[Frequency]：2.379~2.496GHz

[Protocol]：BLE 4.2/5.0

[Distance]：100m

[Size]：17.5*23.5mm

[Antenna]：IPEX

[Introduction]：E73-2G4M04S1AX is a small volume chip Bluetooth wireless module independently developed based on nrf52810 chip of Nordic of Norway. It adopts 32mhz industrial crystal oscillator to ensure its industrial characteristics and stable performance.