Question: by default access points send beacon frames every how many ms
[{'answer': '100ms'}, {'provenance': [{'wikipedia_id': '1560336', 'title': 'Beacon frame', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 633, 'bleu_score': 0.915014770710951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4550957245274847858}, 'section': 'Section::::Components.\n'}]}]