Amazon with IWILLINK has the 5-Pack of Iwillink Waterproof RJ45 Shielded Female to Female Ethernet Couplers Outdoor LAN Cable Connectors for Cat5e/Cat6/Cat7 Ethernet Cables for $27 - 6% off coupon (check "Apply coupon" box) - 40% off with coupon code 40U3VF1B [Exp 8/19] = $15 with free shipping on $25+ or with Prime. Same code works on the 2-Pack.