This is an SMD version of the nRF24L01+ module. It has 0.05" pitch (1.27mm) pitch castellated mounting holes (also known as castellated vias or castellations), so it can be soldered to a PCB (board-to-board solder mounted).Product Contents: : 2 – SMD nRF24L01+ Modules 1 – Antistatic Bag 1 – Addicore SMD nRF24l01+ Information Card Specifications: The Addicore nRF24L01+ is a 2.4GHz ISM band transceiver On-board support components and 2.4GHz antenna, no need for additional hardware Communication range up to 262 feet (80 meters) in ideal conditions A host microcontroller can communicate and configure the nRF24L01+ over SPI. The configuration registers are accessible through the SPI connection. Configurable parameters include frequency channel (125 selectable channels), output power, and data rate (data rates: 250kbps, 1Mbps, and 2Mbps) On-chip voltage regulator accepts voltages from 1.9 to 3.6V. When using nRF24L01+ with Arduino, use 3.3V output pin from Arduino board to power nRF24L01+ 5V tolerant inputs which allows for direct connection of SPI pins to an Arduino Power as low as 11.3mA transmitting, 13.5mA receiving at 2Mbps, 900nA in power down, and 26uA in standby Gaussian Frequency-Shift Keying (GFSK) modulation as well as fast Automatic Gain Control (AGC) Interrupt Request (IRQ) pin which can be used to wake the host microcontroller, (ex: Arduino), from sleep when the module receives a transmission Auto-acknowledge and auto-retransmit Pitch of Castellations: 1.27mm (0.05") Dimensions: 18mm (0.7") length x 12.5mm (0.5") width x 1.9mm (0.07") height Weight: 0.56g (0.02oz)
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