{"id":5433,"date":"2026-06-10T02:07:38","date_gmt":"2026-06-10T02:07:38","guid":{"rendered":"https:\/\/materialparts.com\/mrf24j40ma-i-rm\/"},"modified":"2026-06-10T02:07:38","modified_gmt":"2026-06-10T02:07:38","slug":"mrf24j40ma-i-rm","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/mrf24j40ma-i-rm\/","title":{"rendered":"MRF24J40MA-I\/RM"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The MRF24J40MA-I\/RM from Microchip Technology is a certified 2.4GHz IEEE 802.15.4 radio transceiver module with integrated PCB antenna in a 12-pin surface-mount package. Supporting ZigBee, MiWi, and MiWi P2P protocols with AES-128 hardware encryption, it provides a complete wireless solution with 250kbps data rate and up to 120m range.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Frequency<\/td>\n2.4 GHz (2.405-2.480 GHz)<\/td>\n<\/tr>\n
Protocol<\/td>\nIEEE 802.15.4, ZigBee, MiWi<\/td>\n<\/tr>\n
\u0645\u0639\u062f\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/td>\n250 kbps<\/td>\n<\/tr>\n
Modulation<\/td>\nO-QPSK<\/td>\n<\/tr>\n
TX Output Power<\/td>\n0 dBm typical<\/td>\n<\/tr>\n
RX Sensitivity<\/td>\n-94 dBm<\/td>\n<\/tr>\n
Link Budget<\/td>\n95 dB<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n2.4V to 3.6V<\/td>\n<\/tr>\n
TX Current<\/td>\n23 mA<\/td>\n<\/tr>\n
RX Current<\/td>\n19 mA<\/td>\n<\/tr>\n
Sleep Current<\/td>\n2 uA<\/td>\n<\/tr>\n
\u0627\u0644\u0648\u0627\u062c\u0647\u0629<\/td>\nSPI (4-wire)<\/td>\n<\/tr>\n
Encryption<\/td>\nAES-128 hardware<\/td>\n<\/tr>\n
Range<\/td>\nUp to 120m<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 to +85 C<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nModule (17.8 x 27.9 mm)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Certified 2.4GHz IEEE 802.15.4 transceiver<\/li>\n
  • Integrated PCB antenna and matching circuitry<\/li>\n
  • AES-128 hardware encryption engine<\/li>\n
  • FCC, IC, ETSI certified modular device<\/li>\n
  • ZigBee, MiWi, and MiWi P2P protocol support<\/li>\n
  • 4-wire SPI interface to host MCU<\/li>\n
  • Hardware CSMA-CA mechanism<\/li>\n
  • Automatic ACK response and packet retransmit<\/li>\n
  • Low sleep current: 2uA<\/li>\n
  • RSSI\/LQI support<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Wireless sensor networks<\/li>\n
    • Home and building automation<\/li>\n
    • Industrial control and monitoring<\/li>\n
    • Consumer electronics<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MRF24J40MA-I\/RM from Microchip Technology is a certified 2.4GHz IEEE 802.15.4 radio transceiver module with integrated PCB antenna in a 12-pin surface-mount package. Supporting ZigBee, MiWi, and MiWi P2P protocols with AES-128 hardware encryption, it provides a complete wireless solution with 250kbps data rate and up to 120m range. Key Specifications Frequency 2.4 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[134],"class_list":["post-5433","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-microchip"],"acf":{"brief_explanation":"2.4GHz 802.15.4 transceiver module, ZigBee\/MiWi, AES-128, PCB antenna, 250kbps","date_code":"","package_case":"Module (17.8 x 27.9 x 0.89 mm, 12-pin SMD)","in_stock":9394,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/DS-39776D.pdf","price":"$7.38 @ 100+","product_introduction":"The MRF24J40MA-I\/RM from Microchip Technology is a certified 2.4GHz IEEE 802.15.4 radio transceiver module with integrated PCB antenna in a 12-pin surface-mount package. The I suffix denotes industrial temperature range (-40 to +85C) and \/RM denotes tape and reel module packaging. The module integrates a crystal oscillator, internal voltage regulator, matching circuitry, and PCB antenna, freeing the integrator from extensive RF design and regulatory compliance testing. The MRF24J40MA supports ZigBee, MiWi, and MiWi P2P software stacks and connects to PIC MCUs via a simple 4-wire SPI interface. With 0dBm TX output power, -94dBm RX sensitivity, and a 95dB link budget, it achieves reliable communication up to 120m. The hardware AES-128 encryption engine provides secure data transmission. FCC, IC, and ETSI modular certification eliminates the need for end-product RF testing.","working_principle":"The MRF24J40MA operates through four subsystems: (1) RF Transceiver: A direct-conversion 2.4GHz radio transceiver compliant with IEEE 802.15.4 O-QPSK modulation at 250kbps. The integrated PCB antenna and matching circuitry are factory-tuned, requiring no external RF components. The 0dBm output power and -94dBm sensitivity provide a 95dB link budget for up to 120m range. (2) MAC Layer: Hardware CSMA-CA (Carrier Sense Multiple Access with Collision Avoidance) implements channel access per IEEE 802.15.4. Automatic ACK response and packet retransmit reduce host MCU overhead. RSSI and LQI (Link Quality Indication) enable adaptive network management. (3) Security Engine: A dedicated AES-128 hardware encryption engine encrypts and decrypts 128-bit data blocks without CPU intervention, supporting ZigBee network and application layer security. (4) SPI Interface: A 4-wire SPI interface (SCK, SDI, SDO, CS) connects to the host MCU at up to 20MHz clock rate. All transceiver configuration, data transfer, and status monitoring occur through SPI register access.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>VDD<\/td>Power<\/td>3.3V supply voltage<\/td><\/tr>
      2<\/td>RESET<\/td>Input<\/td>Module reset (active low)<\/td><\/tr>
      3<\/td>CS<\/td>Input<\/td>SPI chip select (active low)<\/td><\/tr>
      4<\/td>SCK<\/td>Input<\/td>SPI clock<\/td><\/tr>
      5<\/td>SDI<\/td>Input<\/td>SPI data input to module<\/td><\/tr>
      6<\/td>SDO<\/td>Output<\/td>SPI data output from module<\/td><\/tr>
      7<\/td>INT<\/td>Output<\/td>Interrupt output to host MCU<\/td><\/tr>
      8<\/td>WAKE<\/td>Input<\/td>Wake-up from sleep<\/td><\/tr>
      9-12<\/td>GND<\/td>Power<\/td>Ground connections<\/td><\/tr><\/table>","application_scenarios":"
      • Home automation network with ZigBee protocol, AES-128 encryption, and 120m range<\/li>
      • Industrial sensor network using MiWi P2P with 2uA sleep current for battery operation<\/li>
      • Building automation with FCC\/IC\/ETSI certified modular device eliminating RF design<\/li>
      • Consumer remote control with 250kbps data rate and hardware CSMA-CA collision avoidance<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Protocol<\/th>Range<\/th>Notes<\/th><\/tr>
        MRF24J40MB-I\/RM<\/td>Microchip<\/td>802.15.4<\/td>120m<\/td>With U.FL antenna connector<\/td><\/tr>
        MRF24J40MC-I\/RM<\/td>Microchip<\/td>802.15.4<\/td>400m<\/td>With power amplifier<\/td><\/tr>
        CC2520RHBR<\/td>TI<\/td>802.15.4<\/td>N\/A<\/td>Transceiver IC only<\/td><\/tr>
        AT86RF233-ZU<\/td>Microchip<\/td>802.15.4<\/td>N\/A<\/td>Transceiver IC only<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/5433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=5433"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/5433\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=5433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=5433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=5433"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=5433"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}