请发一份RFU确认会议时间是否有变动。

Please send an ___RFU to confirm if the meeting time has changed.

新设备已处于RFU状态，随时可以部署。

The new equipment is ___RFU and ready for deployment.

工程师正在测试新的射频单元以确保信号稳定。

The engineer is testing the new ___RFU to ensure stable signals.