Amazon with IWILLINK has the 2-Pack of Iwillink Waterproof RJ45 Shielded Female to Female Ethernet Couplers Outdoor LAN Cable Connectors for Cat5e/Cat6/Cat7 Ethernet Cables for $11.99 - $4.20 off with coupon code 35Y8EOTB [Exp 9/13] = $7.79 with free shipping on $25+ or with Prime.