SemiconductorThe Si24R2 is a QFN-20-EP(4x4) RF transceiver IC manufactured by Zhongke Semiconductor that is compliant with the ROHS standards. This low cost, high performance IC is designed for use in applications requiring an integrated radio transceiver and offers excellent performance, low current consumption, and excellent RF shielding. The Si24R2 supports a wide frequency range of 120MHz-6000MHz and a wide range of modulation and data rates. It also features a comprehensive suite of communication functions and built-in feature sets including data transmission rate flexibility, integrated packet handler features, and advanced modulation schemes. Additionally, the Si24R2 has integrated functions like a temperature sensor, AFC, IO port, RSSI, and power control.