HELLO EBAYERS , UP FOR BUY IT NOW IS A USED BUT WORKING PROPERLY   AVCOM STA-70D  THIS IS A SINGLE CHANNEL PER CARRIRE TEST ANALYZER 50-110 MHZ , UNIT WAS TESTED JUST BEFORE RUNNING THIS AD ON EBAY , UNIT COMES WITH VERY NICE CARRY CASE  (FOAM INSIDE)  FOR PORTABILITY ,  WITH BUY IT NOW YOU WILL GET FREE USA ECONOMY SHIPPING  WHICH IS PRETTY GOOD BECAUSE THIS UNIT WITH CASE IS HEAVY AND EXPENSIVE TO SHIP ,, THANK YOU AND PLEASE MESSAGE US IF YOU HAVE QUESTIONS