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Microchip Technology MRF24J40MB 2.4 GHz radio frequency (RF) transceiver module
Microchip Technology MRF24J40MB
2.4 GHz radio frequency (RF) transceiver module

The Microchip Technology MRF24J40MB 2.4 GHz radio frequency (RF) transceiver module adds +20 dBm of transmit power via an integrated power amplifier (PA) and -102 dBm of receive sensitivity via the integrated low noise amplifier (LNA) to the proven IEEE 802.15.4 compliant transceiver, PCB antenna, and discrete matching circuitry. This surface mount Microchip Technology RF transceiver module gives designers the added transmit power to expand the range of their IEEE 802.15.4-based ZigBee or proprietary-protocol wireless networks. The integrated module design of the MRF24J40MB frees designers from extensive RF and antenna design and regulatory compliance testing, allowing quicker time to market. The Microchip Technology MRF24J40MB transceiver module connects to hundreds of Microchip PIC® MCUs via a 4-wire SPI interface and is an ideal solution for AMR/AMI metering, wireless sensor networks, home automation, building automation, and consumer applications.

Microchip Technology MRF24J40MB 2.4 GHz radio frequency (RF) transceiver module

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Microchip Technology MRF24J40MB Features
  • 2.4 GHz IEEE 802.15.4 Transceiver Module
  • Supports ZigBee®, MiWi™, and MiWi P2P protocols
  • FCC (USA), IC (Canade), ETSI (Europe) Certification Pending
  • Integrated PCB Antenna
  • Simple four-wire SPI interface to PIC® microcontroller
  • Integrated PA/LNA
    • Tx power +20 dBm
    • Rx sensetivity -102 dBm
  • Hardware CSMA-CA Mechanism
  • Automatic ACK response
  • Hardware security engine (AES-128)
  • Automatic packet retransmit capable
  • Surface Mountable
Microchip Technology MRF24J40MB Block Diagram
Microchip Technology MRF24J40MB 2.4 GHz radio frequency (RF) transceiver module Block Diagram

Data Sheets

MRF24J40 Data Sheet (DS-39776b.pdf)

MRF24J40MB Data Sheet (70599B.pdf)

Microchip Wireless (MiWi™) Media Access Controller Application Notes AN1283 (01283a.pdf)

Microchip Wireless (MiWi™) Application Programming Interface - MiApp Application Notes AN1284 (01284A.pdf)





  • Microchip Technology
  • Wireless
  • Embedded Solutions|IC-RF