The RFX2401C is a fully integrated front-end module that incorporates all the RF functionality needed for IEEE 802.15.4 / Zigbee, wireless sensor network, and any other wireless systems in the 2.4 GHz ISM band. The RFX2401C architecture integrates the PA, LNA, transmit and receive switching circuitry, and the associated matching network, all in a single package. Typical high-power applications include home and industrial automation, smart power, and RF4CE among others. Combining superior performance, high sensitivity and efficiency, low noise, small form factor, and low cost, the RFX2401C is the perfect solution for applications requiring extended range and bandwidth. RFX2401C has simple and low-voltage CMOS control logic, and a wide operating supply voltage range. The device is provided in a compact, 16-pin 3 x 3 mm Quad Flat No-Lead (QFN) package. A functional block diagram is shown in Figure 1. The pin configuration and package are shown in Figure 2. Signal pin assignments and functional pin descriptions are provided in Table 1.