MASPRO CATV BS-CS signal booster, with minimum/maximum adjustment knobs. - Brand: MASPRO - Model: BS-CS BOOSTER 78CLB25 - Function: CATV BS-CS signal booster - Adjustment: Minimum/maximum adjustment knobs - Connection Terminals: 3 connection terminals - Serial Number: 9820114 This item has been stored at home for a long time. The main body was originally white, but it has yellowed. I have confirmed that the power turns on, but I cannot guarantee any other functionality, so please consider it as a junk item.