The maximum number of wireless devices the LabQuest 2 can support is three of any one type of device, up to a total of six devices. (LabQuest App version 2.8.2 or newer is required.)
Go Direct Sensors
You can connect up to three Go Direct sensors to a LabQuest 2
Go Wireless Devices
You can connect up to three Go Wireless devices (Go Wireless Temp, Go Wireless pH, Go Wireless Heart Rate, Go Wireless Link) to a LabQuest 2.
Wireless Dynamics Sensor System
There is not a software-imposed limit to the number of these devices; however, we do not recommend more than two connected to a LabQuest 2.