Disclosed is a toner comprising particles of a polyester resin, an optional colorant, and polypyrrole, wherein said toner particles are prepared by an emulsion aggregation process. Upon receiving at one or more of the access points an uplink signal transmitted over the WLAN by the mobile station using the common BSSID, messages are sent and received over a communication medium linking the access points in order to select one of the access points to respond to the uplink signal. The connector unit has a shaped nipple on the end away from the coupling unit, which fits in the facing open end of the high pressure tube. In this way, the pointer may be positioned accurately and reliably at any one of a plurality of pointer screen locations based upon changes in device orientation under a wide variety of different usage conditions. Herein, the antenna is substantially perpendicular to the main substrate.