MRF24WG0MB-I/RM Microchip Integrated Circuit (Other) In Stock
MRF24WG0MB-I/RM is a standalone 802.11b/g Wi-Fi module from Microchip featuring an integrated transceiver, MAC, baseband, and PCB antenna. It connects to a host MCU via SPI and operates from 3.3 V in a compact 36-pin module package.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 36
- Lifecycle
- OBSOLETE
- Datasheet
- MRF24WG0MB-I/RM Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $63.1400(MOQ 45)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fully integrated IEEE 802.11b/g Wi-Fi solution with on-board PCB antenna, RF frontend, MAC, and baseband processor—no RF design expertise required for the host PCB
- SPI host interface operating at up to 25 MHz enables straightforward connection to any microcontroller with an SPI master port, simplifying firmware integration with Microchip's provided TCP/IP stack drivers
- 3.3 V single-supply operation with sleep and hibernate modes reducing current to microampere levels, supporting battery-powered IoT devices that require intermittent Wi-Fi connectivity
Applications
The MRF24WG0MB-I/RM is designed to add Wi-Fi connectivity to embedded microcontroller systems such as PIC32, dsPIC, or third-party MCU platforms that have an SPI port available. It is used in home automation controllers, industrial wireless sensor gateways, and remote data-logging nodes that require 802.11b/g connectivity without the complexity of a full Wi-Fi SoC design. The integrated PCB antenna and pre-certified RF module eliminate the need for FCC/IC antenna design and RF regulatory testing, significantly shortening time-to-market for connected IoT products.
Specifications
| Factory Lead Time | 12Weeks |
| YTEOL | 0 |
| JESD-30 Code | R-XDMA-N36 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | MODULE,36LEAD,.8 |
| Package Shape | RECTANGULAR |
| Package Style | MICROELECTRONIC ASSEMBLY |
| Qualification Status | Not Qualified |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | NO |
| Telecom IC Type | TELECOM CIRCUIT |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 5A992.C |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MRF24WG0MB-I/RM:
Frequently Asked Questions
What wireless standard does MRF24WG0MB-I/RM support and what data rates does it achieve?
The MRF24WG0MB-I/RM supports IEEE 802.11b/g Wi-Fi, delivering up to 11 Mbps in 802.11b mode and up to 54 Mbps in 802.11g mode over the 2.4 GHz ISM band, providing sufficient throughput for sensor data uploads, MQTT messaging, and HTTP REST API calls in typical IoT applications.
Which host interface does MRF24WG0MB-I/RM use to communicate with a microcontroller?
The module uses an SPI slave interface running at up to 25 MHz clock speed, requiring only 4 signal wires (SCK, MOSI, MISO, CS) plus an interrupt line from the host MCU. This 5-wire connection makes it compatible with virtually any microcontroller that has an SPI master peripheral, including 8-bit PIC, 16-bit dsPIC, and 32-bit PIC32 devices.
What supply voltage and typical current consumption should be expected for MRF24WG0MB-I/RM during active Wi-Fi transmission?
The MRF24WG0MB-I/RM operates from a 3.3 V supply, drawing approximately 210 mA peak during Wi-Fi transmission bursts and around 85 mA in receive mode. In hibernate mode the current drops to under 10 µA, enabling duty-cycled low-power operation for battery-backed wireless nodes that transmit sensor data periodically.
Does MRF24WG0MB-I/RM include security features for connecting to enterprise or WPA2-protected Wi-Fi networks?
Yes, the MRF24WG0MB-I/RM supports WEP 64/128-bit, WPA-PSK (TKIP), and WPA2-PSK (AES/CCMP) security modes, covering both home router WPA2 networks and simple enterprise pre-shared-key configurations. Hardware-accelerated AES encryption ensures that WPA2 encryption and decryption do not impose a significant processing load on the host MCU.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 45+ | $71.7500 | $3228.75 |
| 225+ | $66.0100 | $14852.25 |
| 450+ | $63.1400 | $28413.00 |
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