The MDBT50Q Bluetooth module is based on the nRF52840 Internet of Things development board

32-bit ARM + 0 + 3Cortex + 6 + 4M4FCPU supply: 1.7V - 5.5V Flexible and configurable 48GPI 0 Bluetooth 5 IEEE 802.15. 4, 2.4GH z transceiver @6@11Mbps Bluetooth Low Energy (BLE) mode -95dBm sensitivity @6@1125Kbps BLE mode -103dBm sensitivity (remote) @6 more 1+ 8dBm TX power (down to -20 dBm) Step size 4 dB)@6@1 Compatible with nRF52, nRF51, nRF24L and nRF24AP series programmable output power from +8dBm to -20 DBM RSSI (1dB resolution) @6@4
Supported data rates: Bluetooth 5:2 Mbps, 1Mbps, 500 kbps 125 kbps SieEE 802.15. 4- 2006:250 kbps, proprietary 2.4
GHz: 2 Mbps, 1 Mbps, advanced on-chip interface
@6@1USB 2.0 Full Speed (12Mbps) controller
@6@1QSPI32MHz Interface
@6@1 High speed 32MHz SPI
@6@1 Type 2 Near Field Communication (NFC-A) tag with wake field:
Programmable Peripheral Interconnection (PPI)
@61EasyDMA automatic data transfer, no CPU processing peripherals required, 12-bit, 200kspSADC-8 programmable gain configurable channels
@6@1 4 x4 channel pulse width modulator (PWM) unit with EasyDMA 66@1
Audio peripheral: 12S, Digital microphone interface (PDM) @61 5X32 bit timer with counter mode
@6@1EasyDMA Up to 4 SPI master devices /3 SPI slave devices 6@1 up to 2 12C-compatible 2-wire master/slave devices
@6 Plus 1 2xUART with EasyDMA (CTS/RTS)
@6 Multi 1 Orthogonal Decoder (QDEC)
@6@13 x24-bit real-time counter (RTC)
Operating temperature: -40°C to +85° C