95% braid siamese coaxial cable for cctv/security camera

  95% braid siamese coaxial cable for cctv/security camera    Product Description 20AWG
95% Braid Siamese Cable
18AWG Power Line
UL Listed
500ft
White/Black
With Reel   Application   It's suitable for CCTV/Security-camera use where a power feed is required for the camera and/or pan/tilt mechanism, Surveillance and CCTV plus Audio or Pan and Tilt CCTV Control   Standard   SCTE IPS-SP-001 UL1655 UL13 UL444 TFC DROP CABLE IEEEC   Construction   Inner conductor:   20AWG (0.81mm) Bare Copper   Dielectric:        3.66mm Foam PE   Shield:   1st shield,           2nd shield,        128x 0.12mm Copper Clad Aluminum braiding wire 95%   Jacket:           6.05+/-0.2mm PVC UL CUL Flame Retardant Black or White   Power Cable      18AWG  2 x7 x0.37 (4xcopper+3x CCA) 1.8mm PE 4.5mm PVC   Note:            the PVC can be also meet the UL, CUL,ETL CE, and ROHS Compliant   Electrical Characteristics   Nominal Impedance               75ohm+/-3 ohm   Nominal Velocity of Propagation        80%   Nominal Capacitance                 16.2PF/ft   DC resistance inner conductor          ≤33 ohm/km   DC resistance 18AWG Strand           ≤22 ohm/km   Return loss at      5-1002MHz              ≥22dB                     Attenuation[@68℉(20℃)]  

Frequency MHz	Maximum  DB/100ft	Maximum DB/100m
5	0.87	2.92
55	1.95	6.39
211	3.59	11.77
250	4.00	13.11
300	4.27	15.00
350	4.64	15.21
400	4.88	16.00
450	5.30	17.38
500	5.60	18.36
550	5.90	19.34
600	6.05	19.84
750	6.96	22.82
865	7.50	24.59
1000	8.09	26.52

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