Description
Product Description
51822-A1 BLE Module
We will provide complete hardware and software reference schemes to shorten the product R & D cycle and save cost for you.
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Technical indicators
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parameter
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remarks
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working voltage
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DC 1.8V to 3.6V
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working frequency
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2400~2483.5MHz
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Number of channels
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40
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modulation mode
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GFSK
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output power
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- 20dBm ~+4 dBm
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Programmable configuration
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Emission current
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0.5mA Power=0dbm
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related to output power
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Receiving sensitivity
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- 93dBm
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Receiving current
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9.7mA
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Standby current
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420nA
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@ 3V OFF MODE
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transmission speed
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1Mbps
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250\1m\2m optional
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Chip flash memory
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256KB
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128KB optional
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Chip RAM
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16KB
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Antenna
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PCB Antenna
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Communication distance
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> 50m
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+ 4dBm output power
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Dimension
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19mm*12mm*1.5mm
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NO.
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PIN
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Function
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1
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VCC
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Power
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2
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P002 AIN3
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IO Analog Input/ADC Input3
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3
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P001 AIN2
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IO Analog Input/ADC Input2
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4
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P000 AIN1
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IO Analog Input/ADC Input1
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5
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P030
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IO
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6
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P029
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IO
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7
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P028
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IO
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8
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P026....P017
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IO
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9
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SWCLK
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Download debug port
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10
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SWDIO RESET
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System reset (active at low level) Download debugging port
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11
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P016....P007
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IO
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12
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P006 AIN7 AREF1
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IO Analog Input/ADC Input7 Analog Input/ADC Reference voltage
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13
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P005 AIN6
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IO Analog Input/ADC Input6
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14
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P004 AIN5
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IO Analog Input/ADC Input5
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15
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P003 AIN4
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IO Analog Input/ADC Input4
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16
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GND
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Ground
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Internal structure diagram
Specification
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item
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value
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Model Number
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51822-A1
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Type
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Bluetooth 4.0
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Country of Origin
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China
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Chipset
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nrf51822
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Application
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Kids/student tracking&location
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Packing & Delivery