The CC1120 is a fully integrated single chip radio transceiver designed for high performance at very low power and low voltage operation in cost effective wireless systems. The CC1120 provides extensive hardware support for packet handling, data buffering, burst transmissions, clear channel assessment, link quality indication and Wake-On- Radio. This application note outlines the expected performance when using the CC1120EM 274-320 MHz reference design. The CC1120 can be used in applications targeting compliance with FCC section 15.231. This application note assumes the reader is familiar with CC1120 and FCC 15.231 regulatory requirements.