R - flexible cable / wire for connection, soft structure.

V - insulated PVC

B - flat / flat

S-twisted pair

A - tinned or silver plated.

F - high temperature resistance

P － braided shielding P2 － copper tape shielding P22 － steel tape armor

Y-preformed, generally omitted, or polyolefin sheath

FD - product category code, refers to branch cable. The standards to be issued by the Ministry of construction are expressed by FZ, but they are of the same quality.

YJ - XLPE insulation

V-pvc insulation or sheath

Zr - Flame Retardant

NH fire resistant type

Wdz - halogen free low smoke flame retardant

WDN - halogen free low smoke fire resistant type

For example: SYV 75-5-1 (a, B, c)

S: RF Y: polyethylene insulation V: PVC sheath a: 64 Series B: 96 Series C: 128 series

75:75 ohm 5: wire diameter 5mm 1: single core

For example: rvvp2 * 32 / 0.2 rvv2 * 1.0 BVR

R: flexible wire VV: Double sheathed wire P: shielding

2: 2-core multi strand wire 32: each core has 32 copper wires 0.2: each copper wire diameter is 0.2mm

Zr-rvs2 * 24 / 0.12

Zr: flame retardant R: flexible wire s: twisted pair

2: 2-core multi strand wire 24: each core has 24 copper wires 0.12: each copper wire diameter is 0.12mm

SYWV 75-5-1

S: RF Y: polyethylene insulation W: physical foaming V: PVC sheath

75:75 ohm 5: cable outer diameter 5mm 1: single core

SYWV's full name is: physical foaming polyethylene insulated cable television system cable

Its cable structure: the braided shield uses tinned copper wire. The physical foaming coaxial cable is a kind of semi air insulated coaxial cable, the inner conductor is made of oxygen free copper wire, and the insulation is made of polyethylene through physical foaming to form a small mutually closed air hole. The insulation and inner conductor shall be firmly bonded.

Its cable features: excellent high-frequency performance, small attenuation, good structural uniformity, not susceptible to moisture, aging, good mechanical performance, excellent anti-interference performance, strong moisture-proof ability, small temperature coefficient. National standard reference standard: Gy / t135-1998, SJ / 11138-1997

Its application field: it belongs to one kind of coaxial RF cable, which is suitable for closed-circuit monitoring and cable TV engineering. Cable TV system and HFC fiber-optic coaxial cable network transmit data, voice and image signals, also known as TV antenna.