Set of 4. Please be sure to read my profile. New, unused. In the fourth photo, one box is dented! Immediate purchase OK! This was found while organizing the warehouse. I don't know much about it, so I apologize for any questions. It is new and unused. Although it is unused, I have not confirmed its operation. Please understand that I cannot provide any warranty before purchasing. ● Photo 5 is an extra. 【KATHREIN Smart Bias Tee 690-2700 MHz Smart Bias Tee 690-2700 MHz Unused The manual was in English.】 This was also found while organizing the warehouse. →→→→→→→→→ #Other RF listings I will wrap it in bubble wrap and ship it via Rakuraku Mercari. I am working, so shipping may be the next day! Thank you for your understanding! #New #FXC Corporation #Layer 2 Switch with Management Function #FXC5218 #HUB #Computer Equipment #Switching Hub #Hub #LAN #FXC FXC5218 16-port 10/100/1000Mbps Layer 2 Switch with Management Function FXC5218 (FXC5218) FXC New, unopened PC Computer equipment HUB Unused Unopened New Hub Equipment Electronic equipment Network Net FXC Corporation Computer Internet Router Switching LAN LAN cable Switching hub Switching HUB Electronic equipment Machine Communication Communication equipment Manufacturer Maker Switching HUB Internet Internet SwitchingHUB Network