I HAVE FOR SALE A BIRD MODEL 612 DUMMY LOAD WITH RF INPUT METER THIS IS SELECTABLE WATTAGE INPUT OF 20 WATTS ON LOW POWER, 80 WATTS ON HIGH POWER. IT IS USABLE FROM 30 MHZ TO 500 MHZ. IT WAS INSTALLED IN A RACK SYSTEM FOR REPEATER OUTPUT MONITORING. ( THAT IS WHY THERE IS NO HOUSING ON METER) THE SLUG ON FRONT SELECTS WATTAGE RANGE. IT WORKS GREAT. AS YOU CAN SEE IT HAS "N" TYPE CONNECTOR INPUT. ASKING $75.00 IF INTERESTED CALL OR TEXT ROY AT 385-259-9933