Cisco AIR-LAP521G-E-K9 Aironet Wireless Express Access Point 521G.
They appear to have been kept as backup units and they are in their original boxes complete with brackets PSU and cable. The box has signs of stickers removed.
The Cisco 521G Wireless Express Access Point is a single-band 802.11g access point that features business-class management, security, and scalability. This access point offers high-performance wireless connectivity in offices and similar environments.
Happy bidding.