RF-star Hot ProductRF-BM-ND08 is an RF module based on Nordic BLE SoC nRF52832QFAA with ARM® Cortex®-M4 32-bit processor. It integrates a 32.768 kHz and a 32 MHz crystal, an LC filter, an antenna matching and a meander line inverted-F PCB antenna. It features low power consumption, small size, robust connection distance, and rigid reliability. It supports BLE stack v5.0 and can be preprogrammed with a serial interface communication protocol for simple programming. 1.27-mm pitch stamp stick package for easy assembling and cost-effective PCB design. RF-BM-ND08 is pin-to-pin compatible with RF-BM-ND08C.Parameters of RF-BM-ND08ChipsetnRF52832QFAASupply Power Voltage1.7 V ~ 3.6 V, recommended to 3.3 V Frequency2402 MHz ~ 2480 MHzTransmit Power -20.0 dBm ~ +4.0 dBm (Typical: 0 dBm)Receiving Sensitivity-96 dBm GPIO16Crystal32 MHz, 32.768 kHzRAM64 KBFlash512 KBPackageSMT PackagingFrequency Error±20 kHzDimension15.2 mm x 11.2 mm x (1.7 ± 0.1) mmType of Antenna PCB antenna, half-hole interfaceOperating Temperature-40 ℃~ +85 ℃Storage Temperature -40 ℃~ +125 ℃ BLE Application · Internet of Things (IoT)· Internet Gateway· Cloud Connectivity· Industrial Control· Home Automation· Smart Plug and Metering· Home Appliances· Wireless Audio· Access Control· IP Network Sensor Nodes· Security Systems· Wearables· Building automation· Retail· Sensor networks· Medical devices Pin Functions of RF-BM-ND08PinNameChip PinPin TypeDescription1ANT--Antenna interface2GNDGNDGNDGround3VCCVCCVCCPower supply 1.7 V ~ 3.6 V, Recommend 3.3 V4P25P0_25I/O5P17P0_17I/O6P21/RSTP0_21 / RESETI/OReset, active low.7P13P0_13I/O8P28P0_28 / AIN4I/O9P27P0_27I/O10P26P0_26I/O11P09P0_09I/O12P10P0_10I/O13P19P0_19I/O14P20P0_20I/O15P05P0_05 / AIN3I/O16P07P0_07I/O17P06P0_06I/O18P08P0_08I/O19P03P0_03 / AIN1I/O Hardware Datasheet【User Manual】RF-BM-ND08 Hardware DatasheetModule Protocol Tags: nRF52832 Nordic Bluetooth module BLE5.0 module