Data Sheet

HRF24B21AN

2.4 GHz IEEE Std. 802.15.4™ RF Transceiver Module

Features:

⚫ IEEE 802.15.4-2006 Compliant RF Transceiver

⚫ Small Size: 25mm*12.5mm Surface Mountable

⚫ Integrated Crystal, Internal Voltage Regulator, Matching Circuitry

and PCB Antenna.

⚫ Radio Regulation Certification for United States (FCC ID)

⚫ Up to 300m Range (outdoor, line-of-sight)

Operational:

⚫ Operating Voltage: 2.0V-3.6V(3.3V typical)

⚫ Temperature Range: -20°C to +60°C

⚫ Simple, Four-Wire SPI Interface

RF/Analog

⚫ ISM band 2.405~2.480 GHz operation

⚫ Integrated low phase noise VCO, frequency synthesizer and PLL loop

filter

⚫ Integrated 32 MHz oscillator drive

⚫ Integrated internal oscillator circuit

⚫ Single End RF input/output

⚫ 32 MHz reference clock output