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Forum Discussion
Please ID these chips in my WNDR4000 router
There are 5 chips, E,C,and B say: Foxconn W401 94V-0 1109 A19 A20 A81 Chips A and D say: Foxconn W401 94V-0 1109 A18 A21 I would like to know which chips are for 2.4 Ghz an...
The two narrow ones (A & D) are 2.4 GHz antennas, the three wide ones (B, C & E) are 5 GHz antennas.
Look here: https://www.smallnetbuilder.com/wireless?id=31474 - this explains which chips are serving each band.
All antennas serve the comlete 2.4 resp. 5 GHz band as required.