(1) You can send a short message "WLAN" to 106580 15 (information fee 0.3 yuan/message+SMS communication fee), and the system will automatically send out which WLAN hotspots are near your location (this query result is for reference only).
(2) You can log in to Beijing Mobile Portal to inquire about the WLAN coverage area. /www/WLAN/wlanGatherHotspotServlet？ markpage=clientsearch
As there are some differences in business in different regions, if you are a non-Beijing Mobile customer, it is recommended that you call local 10086 for consultation.