Welcome, sorry we couldn't help with that. If you can manage it, a new router is probably a good idea. Generally speaking we lean toward the Bosch 1617 EVSPK kit. This has a 2 1/4 hp router motor and both a fixed and plunge base. Almost anything you want to do with a hand held router you can do with a plunge base, which allows you to push the bit into the workpiece. The fixed base on the 1617 can be used in a router table to mount your router in. My 1617 was on sale for $200 for the kit, but you can sometimes fine refurbished ones at CPO tools. These are not used, but returned routers that have been rebuilt to better than factory specs.
A router table is far safer than working with a fixed base router freehand, because you are moving the workpiece against the exposed bit, not the other way around. Much better control, and you can use what are called push blocks to move the piece around while your hands are safely away from the bit.
A router table can quickly be made out of a flat chunk of plywood, 2x3 ft is a good size. You cut a hole in the middle, about one and a half in diameter. screw the fixed base underneath, insert the motor, adjust the height to roughly what you wan, flip the clampin lever. Then do fine adjustment with a knob on the router motor. You can also buy a key that lets you drill a hole, insert the key into the top of that fine adjustment knob and you can fix the height perfectly. Add a really straight 2x4 that you can clamp to the top and voila', you have a perfectly good router table. Many here still use simple home built tables, preferring to spend their money on other toys.
Kind of a long entry, but we all try to cover the bases thoroughly.
BTW, the collet is an extremely precise device, a masterpiece of engineering that has clearances of only a few thousandths tolerances. The 1617 kit comes with both a half inch and quarter inch collet, and you can buy them easily. We're pretty fond of Bosch in the USA because the bend over backwards to support their tools.
There are many small routers, but the 2.25 hp is suitable for table and freehand use. Lighter versions are between one and 1.5 hp. The one hp is usually called a trim router and is suitable for light duty only. the 1.5 hp is often used for making signs and is really comfortable to use for freehand routing. It's a little light duty for a table. Many of us here have several routers. I have 2 1617s, (one used to be in the table only). But I replaced it with a 3.25hp "Triton" brand router that has a built in height adjustment. Heavy duty and too big for me to use frehand. I also have a 1hp Bosch "Colt," which I often reach for when I'm not cutting away much material. The smaller router only takes a bit with a quarter inch shank.
Sorry there was no help for the question you asked, but I hope this post has been helpful. One thing that really assists us is when you tell us about what kinds of projects you want to build. If budget's an issue, we will try to find a workaround, such as the shop built router table.
The pictures are of the 1617 with its plunge base. The other bottom pix is of the 1hp Colt alongside its much smaller plunge base. The Colt is maybe 1/2
The more I do, the less I accomplish.