If a customer wants to sync time, our only approach would be tools that support GPS. Customers must provide their own antenna. They can buy antennas with the MCX on them and forgo using our Fluke antenna cable which will be cheaper and quicker to obtain. However, the insulation on the typical cable will be fairly minimal. Like using a GPS when hiking, the antenna will need sky visibility to obtain the satellite lock required for accurate timing. When the meter connects you will see GPS with a green check mark. The meter will always pick the most accurate time base available by design.
The antenna should support 2.4 to 5 GHz and have a male SMA connector to mate with the Fluke accessory antenna cable. The impedance is 50 ohms.