Extremely tough - I accidentally left this in my jeans pocket and my wife washed them... The next day when I went to complete my installation, I had to look for the splitter and I found it in the dryer. I immediately installed it, connected the coax cables, and it works perfectly!
I bought this to clean up the picture on my Fios network. I also needed the higher rating for my Moca network, which can go it to 1650 MHz. These worked just fine. I'm getting a Great picture and Solid connection at a bargain price.
Had a hard time locating a local distributor for digital cable box compatible splitters. This splitter does function with Cisco cable dvr's. The threads such that it is very hard to install the F-connectors properly. They may have to be turned with a die to deepen the threads.