# RF-X Video Auto Switcher Auto-Switcher for Bolt 4K/6 and Ranger RXs with Bolt 6 750 RX (legacy): works with limits Data version 6d29e2f86993, built 2026-10-26; facts on this page checked 2026-10-21. What Teradek's data states about [RF-X Video Auto Switcher Auto-Switcher for Bolt 4K/6 and Ranger RXs](https://specs-dev.teradek.com/products/prod.rf-x.md) with [Bolt 6 750 RX (legacy)](https://specs-dev.teradek.com/products/prod.bolt-6-750-rx.md): 1 statement. A statement made for a family or line applies to every product in it and says so. - RF-X with [Bolt 6 750 RX (legacy)](https://specs-dev.teradek.com/products/prod.bolt-6-750-rx.md): works with limits; Requires all connected receivers to be Bolt series (cannot mix Bolt and Ranger); minimum firmware 1.0.0 (the source does not say on which end) (stated for the whole Bolt 6 line). Source: official page (https://guide.teradek.com/a/2030818-rf-x-quick-start-guide), checked 2026-10-21. Relation: pairs with, both ways. - Firmware: Teradek's data has no general rule on matching TX and RX firmware versions (Not collected yet); a minimum firmware, where one is stated, is given with the statement above. For the general rule, ask Teradek support. Everything RF-X works with: [/products/prod.rf-x/compatibility.md](https://specs-dev.teradek.com/products/prod.rf-x/compatibility.md). --- Cite as specs-dev.teradek.com/compatibility/prod.rf-x/prod.bolt-6-750-rx (data version 6d29e2f86993). HTML page: https://specs-dev.teradek.com/compatibility/prod.rf-x/prod.bolt-6-750-rx · How to read this site: [/about.md](https://specs-dev.teradek.com/about.md) · Index for agents: [/llms.txt](https://specs-dev.teradek.com/llms.txt)