--- product_id: 97735136 title: "CERRXIAN Ethernet Surge Protector RJ45 Coupler Female to Female Network Surge Protector Outdoor Arrester Protection Device Extension Adapter(2-Pack)" brand: "cerrxian" price: "€ 18.74" currency: EUR in_stock: true category: "Cerrxian" url: https://www.desertcart.fr/products/97735136-cerrxian-ethernet-surge-protector-rj45-coupler-female-to-female-network store_origin: FR region: France --- # 8 TVS surge suppressors 100Mbps data transmission RJ45 female-to-female coupler CERRXIAN Ethernet Surge Protector RJ45 Coupler Female to Female Network Surge Protector Outdoor Arrester Protection Device Extension Adapter(2-Pack) **Brand:** cerrxian **Price:** € 18.74 **Availability:** ✅ In Stock ## Summary > ⚡ Protect & Connect: Surge-proof your network like a pro! ## Quick Answers - **What is this?** CERRXIAN Ethernet Surge Protector RJ45 Coupler Female to Female Network Surge Protector Outdoor Arrester Protection Device Extension Adapter(2-Pack) by cerrxian - **How much does it cost?** € 18.74 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/97735136-cerrxian-ethernet-surge-protector-rj45-coupler-female-to-female-network) ## Best For - cerrxian enthusiasts ## Why This Product - Trusted cerrxian brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lightning-Fast Defense:** Built-in 8 TVS diodes shield your network from damaging surges and lightning strikes ⚡ - • **Reliable 100Mbps Speed:** Maintain smooth, uninterrupted data flow with stable 100Mbps transmission rates 🌐 - • **Plug-and-Play Simplicity:** No confusing ports—both RJ45 ends are identical for instant, hassle-free setup 🔌 - • **Seamless Network Extension:** Effortlessly connect two Ethernet cables to extend your network reach without signal loss 🔗 - • **EMI Shielding for Crystal Clear Signals:** Metal enclosure blocks electromagnetic interference, ensuring your connection stays pristine 🛡️ ## Overview The CERRXIAN Ethernet Surge Protector RJ45 Coupler (2-Pack) combines robust surge protection with convenient cable extension. Featuring 8 built-in TVS diodes, it safeguards your network devices from lightning and power surges while supporting stable 100Mbps data transmission. Its metal shielding prevents electromagnetic interference, and the plug-and-play design with identical RJ45 female ports ensures effortless installation indoors or outdoors. Ideal for professionals who demand reliable, uninterrupted connectivity and want to future-proof their expensive network gear. ## Description desertcart.com: CERRXIAN Ethernet Surge Protector RJ45 Coupler Female to Female Network Surge Protector Outdoor Arrester Protection Device Extension Adapter(2-Pack) : Electronics ## Features - PROTECTION EQUIPMENT - The Network Surge Protector Suppressors protects against network surges.Insert a Network Surge Protector in your network cables, to prevent network surging.This is a good insurance policy for your expensive router and outdoor POE antenna. - EXTENSION - Use this RJ45 Coupler to connect two network cables into one longer network cable. When your network cable is too short and needs to be extended, using this dual-pass is a very good solution.Data transmission rate:100Mbps - SURGE PROTECTION - Built-in 8 TVS anti-detonator, prevent lightning and other abnormal current through the network cable damage to your computer equipment. - HIGH QUALITY - Fixed interface shielding external EML,RFL and other electromagnetic interference.Effectively prevent network signal damage.Using PC flame retardant raw materials, fire rating 100V0. - EASY TO USE - Plug and play.There is no ""In"" or ""Out"" cable side of this device, both sides are identical RJ-45 Interface.Regardless of whether your protected device is behind any particular side, it can work properly by connecting the correct cables. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07LG32KFF | | Best Sellers Rank | #12,721 in Electronics ( See Top 100 in Electronics ) #127 in Surge Protectors | | Brand | CERRXIAN | | Color | black | | Compatible Devices | Personal Computer | | Customer Reviews | 4.3 4.3 out of 5 stars (327) | | Enclosure Material | Metal | | Item Dimensions L x W | 17.72"L x 10.24"W | | Item Weight | 0.02 kg | | Manufacturer | Lemeng | | Mfr Part Number | cx-21 | | Model Number | 8541544724 | | Number of Outlets | 16 | | Number of Ports | 8 | | Other Special Features of the Product | Surge Protection | | Plug Type | Type A | | Recommended Uses For Product | Indoor, Outdoor | | Shape | Rectangle | | UPC | 680613035776 | | Unit Count | 2 Count | ## Product Details - **Brand:** CERRXIAN - **Color:** black - **Product Dimensions:** 17.72"L x 10.24"W - **Special Feature:** Surge Protection - **Total Power Outlets:** 16 ## Images ![CERRXIAN Ethernet Surge Protector RJ45 Coupler Female to Female Network Surge Protector Outdoor Arrester Protection Device Extension Adapter(2-Pack) - Image 1](https://m.media-amazon.com/images/I/71auM+xxJrL.jpg) ## Questions & Answers **Q: You don't know the difference between cm and mm... and I should trust your electrical design skills?** A: Thank you for your suggestions and reading.We have fixed the error, please feel free to contact us if you have any other questions. **Q: Were does a ground wire connect?** A: No,it doesn't.But we have anoter version product which with a ground wire. **Q: Will this work with PoE devices?** A: Yes = that's what I used them for. **Q: Does this not need a separate grounding wire?** A: If your device is exposed to strong current, we recommend that you connect to a ground wire. ## Frequently Bought Together - CERRXIAN Ethernet Surge Protector RJ45 Coupler Female to Female Network Surge Protector Outdoor Arrester Protection Device Extension Adapter(2-Pack) - VCE Coaxial Surge Lightning Protector for Coaxial TV Antenna and Satellite in-Line 75 Ohm 5-2500MHz, 2 Pack Silver - Gigabit Ethernet Surge Protector 10KV Lightning Suppressor LAN Network CAT5/CAT6 Thunder Arrestor 10/100/1000 Mbps --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/97735136-cerrxian-ethernet-surge-protector-rj45-coupler-female-to-female-network](https://www.desertcart.fr/products/97735136-cerrxian-ethernet-surge-protector-rj45-coupler-female-to-female-network) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-08-24*