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RFX2401C
RFX2401C
| Part Number | RFX2401C |
|---|---|
| Manufacturer | Skyworks Solutions, Inc. / RFaxis |
| Category | Integrated Circuits (ICs) > RF/IF and RFID > RF Front End (RFFE) / Front-End Modules (FEM) |
| Description | High-efficiency, highly integrated 2.4 GHz RF Front-End RFeIC featuring an on-chip Power Amplifier (PA), Low Noise Amplifier (LNA), transmit/receive switching logic, and harmonic filters in an ultra-compact 16-UQFN package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The RFX2401C is a single-die 2.4GHz ISM RF front-end IC from Skyworks (RFaxis). It integrates PA, LNA, TX/RX switches, matching networks and harmonic filters in a compact 3×3mm 16-UQFN package. Ideal for ZigBee, 802.15.4, BLE range extenders and smart home devices, it removes discrete RF matching circuits to cut PCB size and speed up product development.
Core Advantages
True Single-Die Pure CMOS Integration
All core RF circuits are integrated on one chip, reducing component count and BOM cost significantly.
Extended Communication Ranges
High transmit power and low-noise receiving improve link stability through walls and RF interference environments.
Simplified Plug-and-Play Design Layout
Built-in 50Ω RF matching eliminates external component tuning and simplifies high-frequency PCB routing.
Aggressive Power Consumption Metrics
Fast sleep-active switching with ultra-low shutdown current, perfect for battery-powered sensors and portable wireless gear.
Key Specifications
| Brand | Skyworks Solutions Inc. / RFaxis Wireless RFeIC Series |
|---|---|
| Supply Voltage (VDD) | 2V ~ 3.6V Wide Operating Supply Voltage |
| RoHS Status | RoHS Compliant, Lead-Free, Halogen-Free, Skyworks Green Manufacturing Standard Verified |
| EDA/CAD Model | 3D STEP Models, Schematic Symbols, and PCB footprints available upon request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | 16-UQFN (3mm × 3mm × 0.55mm) |
| Mounting Type | Surface Mount Technology (SMD/SMT Solder Reflow Assembly) |
| Surface Marking / Silkscreen | 2401C Marking |
| Operational Frequency Range | 2.4 GHz to 2.5 GHz (2.4GHz ISM Band, LCSC Standard Parameter) |
| Transmit Output Power (TX) | Up to +22 dBm saturated output power under standard operating voltage |
| LNA Receive Gain (RX Mode) | +12 dB nominal low-noise small-signal gain |
| LNA Noise Figure (NF) | Typically 2.5 dB, ensuring reliable packet decoding under weak signal conditions |
| Control Input States Logic | Standard CMOS logic, 1.2V minimum high-level threshold for MCU/Transceiver GPIO compatibility |
| Shutdown Current Draw | Typical ≤ 1μA ultra-low standby leakage matching deep sleep power profiles |
| Operating Temperature Range | -40℃ to +85℃ (Industrial-Grade environmental performance specification) |
| Integrated Circuit Functions | Integrated PA, LNA, TX/RX Switch, Matching Network & 1/2 Harmonic Filters |
| Main Application Standard | ZigBee / IEEE 802.15.4 2.4GHz ISM Band Wireless System |
| Radio Frequency Impedance | Internal 50Ω Single-Ended RF Port Matching |
Typical Applications
- ZigBee Home Automation Systems, Smart Lighting Controls, and Distributed Mesh Utility Sensor Nodes
- Wireless Automated Meter Reading (AMR), Smart Water/Gas Meters, and Industrial Data Loggers
- BLE range extension beacons, portable battery-powered wireless tracking tags
- RF4CE remote controls, custom 2.4GHz wireless remote transmitters, wireless audio equipment
- Wireless Sensor Networks (WSN), Factory Machinery Monitoring, and Agriculture IoT Gateways
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: Is your currently available inventory of the RFX2401C 100% authentic and original?
A: Yes, we guarantee that all RFX2401C front-end modules in our warehouse are 100% brand-new, factory-original products from Skyworks Solutions / RFaxis. Every single dispatch lot undergoes strict internal entry audits and is sent inside original secure ESD moisture-barrier tape and reels.
Q2: Why choose an integrated module like the RFX2401C over discrete transistor layouts for 2.4 GHz extensions?
A: Designing discrete layouts with standalone PAs, LNAs, and switches requires extensive RF expertise, complex multi-stage filtering, and matching calculation networks that take up substantial board area. The RFX2401C eliminates this risk by optimizing all parameters internally on a single piece of silicon, resulting in smaller footprints and consistent repeatable RF performance.
Q3: Does this RF front-end device work directly with standard microcontrollers and BLE SOC chips?
A: Yes, it interacts seamlessly with them. The control logic lines (TXEN and RXEN) are compatible with standard CMOS logic levels with 1.2V high threshold. You can easily connect them to the digital GPIO output lines of standard ZigBee, Bluetooth, or proprietary 2.4 GHz microcontrollers to handle automated transmit/receive switching sequences.
Q4: How can our physical engineering group secure the full schematic application layout or request tiered volume quotes?
A: Please complete our Quick Inquiry web form found directly on this product page, noting your target quantities and specific project metrics. Our technical wireless sales desk will process your application and reply with full datasheets and customized wholesale pricing plans within 24 hours.
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