Regarding the functional characteristics of AP6010SN, which of the following statements is correct is ().

AP6010SN is an indoor distributed AP, which only supports working in the 2.4GHz frequency band

AP6010SN has an Ethernet interface and supports 802.3af PoE power supply standard

AP6010SN supports WDS function, which can realize point-to-point and point-to-multipoint wireless bridging

AP6010SN not only has a built-in antenna, but also an external antenna, which is very convenient