Scenario of CF-RAN. (IMAGE) Science China Press Caption On the top, schematic diagram of the prototype full-spectrum CF-RAN system; On the bottom,test scenario of a low-frequency CF-RAN. Credit ©Science China Press Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.