* Overall * O-RAN-compliant split 7.2× Category A RU System on a Chip (SoC) * 4 Tx/4 Rx/1 ORx using the ADRV9061 * Extendible to 8 Tx/8 Rx/2 ORx using the ADRV9061/ADRV9062 * Support for TDD and FDD operation * Support for NR FR1, LTE, and NB-IoT air interfaces * Support for single-band and multiband operation * Integrated ARM Cortex-A55 quad-core supporting Linux * Bandwidth and frequency * Tunable RF range: 500MHz to 4830MHz * Tunable LO range: 600MHz to 4500MHz * Maximum Tx large signal bandwidth: 660MHz * Maximum Tx synthesis bandwidth: 800MHz * Maximum Rx bandwidth: 660MHz * Maximum ORx bandwidth: 800MHz * Maximum occupied bandwidth per antenna: 400MHz * Clocking and synchronization * 2 integrated fractional-N RF synthesizers * Multichip phase sync for all LOs and baseband clocks * IEEE1588 PTP and SyncE (enhanced O-RU support) * Digital front end (DFE) * Integrated DPD engine optimized for state-of-the-art macro power amplifiers * Support for DPD model switching for better dynamic performance * Support for charge trapping correction for GaN power amplifiers * Integrated CFR engine * Integrated PIMC