No, the G3 hub is now fully ANT+ compatible and will only work with the Joule or other ANT+ compatible device. The Bluetooth SMART PowerCap accessory can be used to connect to compatible smart devices.The previous Plus series hubs still sent a signal on the PowerTap (formerly CycleOps) network that the Yellow CPU used. That signal is no longer sent by the G3 hub; however, the Pro hub does still work with the Yellow CPU.
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