Product Name：Holyiot-21033-nRF52832 Module

Model: Holyiot-21033
Chip: Nordic nRF52832
Size: 24.8 * 15 * 2.5mm
Antenna: PCB Antenna
Bluetooth Version: 5.3
Communication Distance: 0 ～ 100m
TX Power：-20dBm ～ +4dBm
Transmission speed: 2Mbps / 1Mbps
Processor: 64MHz Arm Cortex-M4
Storage size: 512/256KB Flash + 64/32KB RAM
Communication Protocol: Bluetooth Low Energy / Bluetooth mesh / NFC / ANT / 2.4GHz proprietary
Authentication: FCC / CE / Rohs