WELL IT IS A HIGH BAND IT DOES HAVE THE DOT !HOW DO YOU DETERMINE IF YOUR RECEIVER IS A 50MHZ OR 72 IT VERY WELL COULD BE A 50 COULDN'T IT? I BOUGHT IT ON EBAY IT WAS NEW BUT NO PACKAGE THE THING THAT IS MAKING ME WONDER IS THE CRYSTAL IN THE MODULE IS GOLD AND LOOKS NOTHING LIKE THE NEW ONE DOES AND IT SAYS TYPE 72-7 I WISH I KNEW WHAT THAT MEANT. THANKS FOR ALL YOUR HELP