It is a wireless technology protocol that devices, i.e. What ANT+ isĪNT+ is an acronym for Adaptive Network Topology, a openly available (but closed) technology made available by Garmin. Here we look at your usb ANT+ dongle options, as well as what ANT+ is and why you might want to choose it ahead of Bluetooth. No matter how good your smart trainer is, if you are using a laptop you will need it to talk to your computer. So here we look at your options when it comes to getting the best ANT+ dongle for Zwift. Connectivity is crucial no matter what indoor cycling app you are using.