iWorx ANT+ interface is compatible with ANT+ Heart Rate, and Bike Power monitors. The iWorx ANT+ interface  Manual is available here.

Ant+ Sensors
IX-ANT-GHRANT+ HR package: LS-ANT-HR, USB-ANT+ stick, Garmin HR monitor
IX-ANT-SHRANT+ HR package: LS-ANT-HR, USB-ANT+ stick, Garmin HR monitor
IX-ANT-GARMINGarmin Premium Heart Rate Monitor Strap with USB ANT+ adaptor
IX-ANT-SCOSCHEScosche Heart Rate Monitor Strap with USB ANT+ stick

Read ANT+ power data from an exercise bike with the LS-ANT-POWER Labscribe module.