【Parameters】 Main control chip: nRF52832QFAA /51822/52840 Communication distance: >200m (condition: open area / 1M rate) Working frequency band: 2.4GHz Working voltage: 2.0V ~ 3.6V Temperature range: -40℃ ~ 85℃ Dimensions: 16mm x 30mm (PCB) Pin spacing: 1.27mm Antenna: On-board antenna [Application] Wearable devices Bluetooth smart applications Mobile phone peripherals RF smart radio frequency tags Smart home appliances Industrial control data acquisition systems can be customized
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