Microchip ATSAMB11-ZR210CA Bluetooth Chip V4.1
| Attribute | Value |
| Bluetooth Version | V4.1 |
| Maximum Output Power | +3.5dBm |
| Receiver Sensitivity | -92.5dBm |
| Supported Bus Interfaces | I2C, SPI, UART |
| Supported I/O Interfaces | GPIO |
| Dimensions | 5.5 x 1.4 x 4.5mm |
| Height | 4.5mm |
| Length | 5.5mm |
| Maximum Operating Temperature | +85 °C |
| Minimum Operating Temperature | -40 °C |
| Width | 1.4mm |