Thank you, inderseeps, but Cisco has announce in 22 jan 2020 the end-of-life of Aironet 1552 (see https://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1550-series/eos-eol-notice-c51-742532.html).I found iw6300, which certainly is a solu...