The WL2004N25G-3/TR is a highly integrated front-end module designed for 2.4GHz ISM band applications. Manufactured by Willsemi, it integrates a Power Amplifier (PA), Low Noise Amplifier (LNA), and Transmit/Receive (T/R) switch into a single, compact package. This module is engineered to optimize wireless connectivity in various applications.

Applications:

• Wireless LAN (WLAN) Devices: Used in Wi-Fi routers, access points, and client devices operating on the 2.4 GHz band.
• Bluetooth Devices: Commonly found in Bluetooth speakers, headsets, and other Bluetooth-enabled accessories.
• Internet of Things (IoT) Devices: Ideal for smart home devices, sensors, and connected devices requiring wireless communication.
• Wireless Audio and Video Transmission Systems: Used in wireless microphones, wireless headphones, and other audio/video streaming setups.
• Remote Control Systems: Integrated into remote controls for TVs, DVD players, and other electronic devices.

Features:

• Integrated PA, LNA, and T/R Switch: Reduces external component count for simpler circuit design.
• 2.4 GHz ISM Band Operation: Operates within the standard frequency band for wireless communication.
• High Output Power: Provides the signal strength required for reliable communication over a considerable distance.
• Low Noise Figure: Improves receiver sensitivity and enhances the signal-to-noise ratio.
• Compact Package: Designed for use in space-constrained applications.

Benefits:

• Simplified Design: The integrated module streamlines RF front-end design, saving design time and resources.
• Improved Performance: The optimized design delivers enhanced performance, including high output power and superior signal quality.
• Reduced BOM Cost: Integration reduces the number of external components, thus lowering overall system costs.
• Enhanced Reliability: The robust design and manufacturing processes ensure high reliability and long-term performance.
• Compact Size: The small form factor enables integration into compact device designs.

Technical Specifications (Typical):

• Frequency Range: 2.4 GHz ISM Band
• Output Power: Typically around 25 dBm (consult datasheet for exact value)
• LNA Gain: Typically around 12-15 dB (consult datasheet for exact value)
• Noise Figure: Typically around 2-3 dB (consult datasheet for exact value)
• Supply Voltage: Typically 3.0 V
• Operating Temperature Range: -40°C to +85°C (consult datasheet for exact value)
• Package: QFN (Quad Flat No-leads)