Audio-Technica Audio-Technica Dynamic Microphone U855QL

Need to confirm description is accurate—Does this mic require phantom power?

Does this mic have a push to talk button, or is it always on while its plugged in? Using this in a restaurant paging system

Does this mic work with phantom power present and not needed?

Is this audio-technica u855ql cardioid dynamic gooseneck microphone compatible with the audio-technica at8699r microphone desk stand with switch?