An access point transmits a beacon signal when a multimode communication device is within a maximum proximity of the access point. before contact with the iron oxide-containing catalyst in order to effect some shift reaction and thus avoid conditions conducive to over-reduction of the iron oxide containing catalyst. The amusement machine may be interactive with the participant. The coil is inserted in the slot. While the Bluetooth LO signal may vary in frequency as Bluetooth frequency hopping occurs, the FM LO signals may remain constant for a specific channel frequency.