Correct they have no radio but it's my understanding they can be used as base rover for RTK through the use of the Longlink Bluetooth. I have Longlik...

Purchased an ES-103 last spring. It's a good gun that we've used day in day out in all weather with no problems. Traverse closures are good, it carrie...

I'm considering purchasing either a QS or a PS. The PS is more money and was wondering if it tracks better than the QS and is it worth the price diff...