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The nRF24L01 is used on a wide variety of applications that require wireless control. They are transceivers which this means that each module can transmit and receive data. These modules are very cheap and you can use them with any microcontroller (MCU). Specifications nRF24L01 – 2.4GHz RF Transceiver- Low cost single-chip 2.4GHz GFSK RF transceiver IC
- Range with Antenna: 250Kb rate (Open area) >1000 meter
- Power: Ultra low power consumption
- Input Voltage: 3.3V
- Pins: 5V tolerant
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NRF51822 Bluetooth BLE4 2.4GHz Wireless Communication Module E-934 Onboard chip: nRF51822 Communication distance (open outdoor@1M data rate): 30 m Frequency range: 2.4GHz Operating voltage: 2.0 Volts to 3.6 volts Operating temperature: -40° ~ 85° Expansion pin header: all the I/Os except P0.26 and P0.27

