Based on this product's specifications, here are some alternatives and similar models
ROLINE RJ45 coupler Cat.6A shielded – in-line network coupler, model 21.17.3118
Summary description:
Shielded ROLINE RJ45 coupler for Cat.6A connections (model 21.17.3118). This in-line female-to-female network coupler extends or joins Ethernet cables while maintaining Cat.6A performance and electromagnetic shielding. Suitable for Gigabit and 10 Gigabit Ethernet runs in structured cabling, server rooms, office networks and short-term cable extensions where a shielded RJ45 join is required.