Thanks. I tried one more powerful antenna, and it seems one input (on the right side) is for 2.4ghz only, so it works. The other two i still have the old antennas.

Kevin SG wrote That adapter is equipped with dual band antennas. If you want to change antenna, you need to change all three dual band antennas Thanks.Can i use these? TL-ANT2408CL ?And all my three...

Model : Hardware Version : Firmware Version : ISP : I want better connection with my TL-WDN4800 so i want to buy a 5dbi or 8dbi antenna. But there are 3 antennas. Do they work together, or is one for...