An early adopter has been unsuccessfully trying to connect to a Trimble R2 on iOS. Whitelisting from Trimble requires additional information - refer to discussion here https://devtopia.esri.com/Melbourne/Survey123/issues/421#issuecomment-895476
The Trimble R2 does successfully work with Trek2There on Android.
An early adopter has been unsuccessfully trying to connect to a Trimble R2 on iOS. Whitelisting from Trimble requires additional information - refer to discussion here https://devtopia.esri.com/Melbourne/Survey123/issues/421#issuecomment-895476
The Trimble R2 does successfully work with Trek2There on Android.