Sub-1 ghz transceiver
125 khz rfid
nfc (13.56 mhz)
bluetooth le
universla infrared
hardware
stm32wb55 mcu
cc1101 sub-1ghz transceiver
nfc rfid module
infrared transceiver
gpio expansion port
power
2100mah li-po battery
up to 7 days standby
usb-c charging
low-power lcd display