Leigh AC D24 Router Jig Accessory Kit – Leigh Dovetail Jig Kit Includes VRS, & Supports 12 Piece Bit Set - Dust-Free Dovetail Router Jigs – Dovetail Router Bit Set Features ½”
RTJ400 jig is affordable and makes dovetails on a router table.
Leigh Industries Vacuum & Router Support for PC 4200 Series Dovetail Jigs, Dovetail Jig Sold Separately - Walmart.com
Thrifty Dovetail Jig | Popular Woodworking
Leigh D4R Pro Dovetail Jig | Axminster Tools
Leigh VRS1200 Vacuum & Router Support for Porter-Cable 4200 Series Dovetail Jigs | Accessory for Porter Cable Dovetail Jig