Rolling out 15-minute slots for our Friday Late Nights, and I need handheld QR scanners that play nice with Tessitura and don’t chirp in galleries; we process about 425 guests in 90 minutes with patchy Wi‑Fi by the rotunda… Has anyone field-tested Socket Mobile vs Zebra DS2278 for silent mode and offline sync — did it trim dwell time so staff can greet instead of bottleneck?