Straight Through Cat6A RJ45 Keystone In-Line Coupler. High Quality RJ45 8P8C coupler is to connect two RJ45 patch network cables to make a longer patch cable. Quality at a Fair Price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices. Service & Support: You're never on your own with Monoprice products! We have a full team of friendly and knowledgeable technicians available to answer your questions