{"id":585,"date":"2026-08-20T02:30:00","date_gmt":"2026-08-20T02:30:00","guid":{"rendered":"http:\/\/lbscable.com\/en\/2026\/08\/20\/utp-vs-ftp-vs-sftp-ethernet-cable\/"},"modified":"2026-08-20T11:09:56","modified_gmt":"2026-08-20T11:09:56","slug":"utp-vs-ftp-vs-sftp-ethernet-cable","status":"publish","type":"post","link":"https:\/\/lbscable.com\/cn\/2026\/08\/20\/utp-vs-ftp-vs-sftp-ethernet-cable\/","title":{"rendered":"UTP vs FTP vs SFTP Ethernet Cable: How Shielding Affects Your Network"},"content":{"rendered":"

Why Shielding Type Matters for Ethernet in Professional Environments<\/h2>\n

When you buy Ethernet cable for an office LAN, unshielded Cat6 is usually fine. When the same cable runs beside power, lighting, motors or dimmer packs \u2014 a stage, a broadcast truck, an industrial hall or a server room \u2014 the shielding construction becomes a real engineering decision. UTP, FTP, SFTP and SSTP look similar in a catalogue but behave very differently in an electrically noisy environment.<\/p>\n

This guide explains what each shielding type actually does, where the extra cost buys measurable benefit, and how to specify the right construction for your project. It uses the LBS Ethernet range (Cat5e, Cat6 and Cat6A in UTP, FTP, SFTP and SSTP) as reference, so the models in this article are real, specifiable products.<\/p>\n

UTP vs FTP vs SFTP vs SSTP: What the Names Mean<\/h2>\n

The four names describe how much of the cable is covered by a conductive screen and how that screen is built. This is the single most important spec to understand before comparing prices.<\/p>\n\n\n\n\n\n\n
Type<\/th>\nScreen construction<\/th>\nTypical application<\/th>\n<\/tr>\n
UTP<\/td>\nNo screen \u2014 twisted pairs only<\/td>\nOffice LAN, low-EMI areas<\/td>\n<\/tr>\n
FTP (F\/UTP)<\/td>\nOne foil screen around all four pairs + drain wire<\/td>\nAV racks, stage, moderate EMI, Dante\/AES67<\/td>\n<\/tr>\n
SFTP (S\/FTP or F\/FTP)<\/td>\nBraid over foil, or double foil, around all pairs<\/td>\nBroadcast, industrial, high-EMI installations<\/td>\n<\/tr>\n
SSTP (S\/STP)<\/td>\nEach pair individually screened, plus overall screen<\/td>\n10 Gbps Cat6A, maximum protection<\/td>\n<\/tr>\n<\/table>\n

The LBS range covers all four: LBSUTP-C6<\/a> (unshielded Cat6), LBSFTP-C6<\/a> (foil-shielded Cat6), LBSSFTP-C6<\/a> (braid-plus-foil Cat6) and LBS6ASSTP-C6A<\/a> (per-pair screened Cat6A).<\/p>\n

Foil vs Braid vs Per-Pair: How the Screen Works<\/h2>\n

A foil screen is a thin aluminium layer laminated to a polyester carrier, wrapped around the bundle. It is light, cheap and gives excellent coverage at high frequencies \u2014 which is exactly what digital signals need. Its weakness is mechanical: foil can tear or crack under repeated flexing, and it is fragile at termination points.<\/p>\n

A braided screen is a woven mesh of tinned copper strands. It is heavier and more expensive than foil, but it survives flexing and provides a lower-resistance path for low-frequency interference. That is why SFTP constructions use braid over<\/em> foil: the foil handles high-frequency noise, the braid handles mechanical strength and low-frequency coupling.<\/p>\n

Per-pair screening (SSTP) puts a separate screen around each twisted pair before the overall screen. It is the most effective against crosstalk between pairs, which is why Cat6A SSTP is the standard choice for 10 Gbps structured cabling in demanding environments.<\/p>\n

Real products illustrate the trade-off in size and weight: the LBS LBSFTP-C6<\/a> has a jacket O.D. of 6.2 mm, while the braid-plus-foil LBSSFTP-C6<\/a> is 7.8 mm and the per-pair LBS6ASSTP-C6A<\/a> is 8.0 mm. Bigger screens mean more material in the cable tray and a slightly larger bend radius.<\/p>\n

Which Construction for Which Project?<\/h2>\n

UTP \u2014 office and low-EMI LAN<\/h3>\n

If the cable path never approaches power distribution, motors or lighting, UTP is the economical default. It is lighter, cheaper and easier to terminate. The LBS LBSUTP-C6<\/a> is specified for Gigabit LAN and standard data networks.<\/p>\n

FTP \u2014 the professional audio default<\/h3>\n

For stage, studio, AV-over-IP and Dante\/AES67 networks, foil-shielded FTP is the recommended minimum. The LBS LBSFTP-C6<\/a> carries a foil screen with a tinned copper drain wire, rated at 250 MHz \/ 1000 Mbps. The drain wire is the grounding point \u2014 it must be terminated to a shielded connector and connected to ground for the screen to work.<\/p>\n

SFTP \u2014 broadcast and industrial<\/h3>\n

Where cable will be flexed repeatedly (touring, broadcast trucks, portable stage systems) or where EMI is high, the braid-plus-foil LBSSFTP-C6<\/a> adds mechanical robustness to the electrical screening.<\/p>\n

SSTP \u2014 10 Gbps and maximum protection<\/h3>\n

For Cat6A 10 Gbps links, high-density data centres and installations that need the best crosstalk isolation, per-pair screening is the standard. The LBS LBS6ASSTP-C6A<\/a> is rated 500 MHz \/ 10 Gbps.<\/p>\n

Three Installation Rules That Make or Break Shielding<\/h2>\n