Pad Package
34 diameters of Half-holes + 22 LGA pads
Dimension
21x13.8x2.3mm(with shield)
Antenna
PCB Antenna&u.FL Connector
Flash+RAM
MB Flash and 512kB RAM/256kB flash and 6
BLE5.2 Specification
Direction Finding, 2 Mbps, Advertising Extensions, CSA#2
Interface
SPI/ TWI/ UART/PDM/PWM/QDEC
Other Feature
ANT+, 2.4GHz
Certification
BQB, FCC, CE, IC, MIC, RCM