These RF modules are very popular for most hobbyist. 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.
NRF24L01 is a universal ISM band monolithic transceiver chip works in the 2.4-2.5GHz . These modules are very cheap and you can use them with any microcontroller (MCU).
- 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
- Wireless transceiver including: Frequency generator, enhanced type, SchockBurstTM, mode controller, power amplifier, crystal amplifier, modulator, demodulator
- The output power channel selection and protocol settings can be set extremely low current consumption, through the SPI interface
- Built-in 2.4GHz antenna, supports up to six channels of data reception
- Size: 15 x 29mm (including antenna)
- Low operating voltage: 1.9-3.6V
- Low application cost: NRF24L01 integrated part of all high-speed signal processing related to RF protocol, such as: automatic retransmission of lost packets and automatically generate response signals, etc.
- NRF24L01 SPI interface: hardware SPI port, MCU I/O ports
- Internal FIFO compatible with a variety of microprocessor interface, micro-controller is convenient