RFMD's portfolio of single-chip integrated FEMs is developed for high-performance ZigBee® HAN/Smart Energy applications in the 2.4 GHz to 2.5 GHz ISM band. The RF6525, RF6515, and RF6535 are specifically designed to operate with the Ember EM300 Series System-on-Chips (SoCs) - EM351 and EM357, EM250 SoC, and EM260 co-processor.