Z1: Which GNSS frequencies are used in the Q, S, and Z series? Jay Chen 06 March 2026 11:16 Updated Answer: Same for Q, S and Z. All use L1, L2 & L5. Related articles Z1: What does the LoRa connection do? Q1: What should I do if the mower has charging difficulties? Z1: How to manually set a passage? Z1: How long is the battery charger extension cable? Z1: What if I forget the PIN code of my mower?