Patent ID: 7902970

Claim:
An apparatus comprising: a first transceiver ( 10 a ); said first transceiver ( 10 a ) including a mask switch ( 34 ) for avoiding direction finding; said first transceiver ( 10 a ) including a first memory ( 32 a ); said first memory ( 32 a ) for storing a first attribute ( 33 a ) selected by a first user ( 17 a ); said first transceiver ( 10 a ) including a first match indicator ( 16 a ); a second transceiver ( 10 b ); said second transceiver ( 10 b ) including a second memory ( 32 b ); said second memory ( 32 b ) for storing a second attribute ( 33 b ) selected by a second user ( 17 b ); said second transceiver ( 10 b ) including a second match indicator ( 16 b ); said first transceiver ( 10 a ) for emitting a first interrogation signal ( 11 a ); said first interrogation signal ( 11 a ) being received by said second transceiver ( 10 b ); said first match indicator ( 16 a ) on said first transceiver ( 10 a ) being activated when said first interrogation signal ( 11 a ) finds a match between said first attribute ( 33 a ) stored in said first memory ( 32 a ) in said first transceiver ( 10 a ) and said second attribute ( 33 b ) stored in said second memory ( 32 b ) in said second transceiver ( 10 b ).