Description
Specification
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Chipset
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Nordic nRF52840
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Dimension
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22.7*17.5*1.8mm
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Frequency
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2.360GHz to 2.500GHZ
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Antenna
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PCB Antenna
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Operating Temperature
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-25~+85°C
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Power Supply
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1.7~5.5V
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Transmit Power
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+8dBm to -20dBm in 4 dB steps
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Receiver Sensitivity
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-96dBm@BLE1M
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Protocol
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BLE5.0 and Higer/ANT/2.4Ghz/802.154/Zigbee
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TX
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4.8mA
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RX
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4.6mA
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Flash/RAM
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1MB/256KB
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GPIO
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46/Ext.32K Crystal
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* Intergrated DC-DC Converter * Nordic SoftDevice Ready * I2S audio interface * 1 QSPI(32Mbps) * Serial wire Debug(SWD) * OTA firmware update * 12 bit/200KSPS ADC * DC/DC on board * Two 2-wire Master/Slave (12C compatible) * 4 SPI Master/ 3 SPI Slave (8Mbps)
* 2 UART (with CTS/RTS and DMA)
* 4 x 4-channel PWM unit with EasyDMA
* USB 2.0 full speed (12 Mbps) controller
* Quadrature Demodulator (QDEC)
* 128-bit AES HW encryption
* 5 x 32 bits, 3 x 24 bits Real Time Counters (RTC)
* NFC-A tag interface for OB pairing
* 20 channel CPU independent Programmable Peripheral interconnect (PPI).
* 15 level low-power comparator with wake-up from System OFF mode
Pin Images
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