Thov

Cable CCTV-kaw-Circuit Court TV system

Kev tsim kho

Kev tsim kho	Cov khoom siv	Nominal Loj
Tus Thawj Coj Hauv	BC / CCS	0.81 hli ± 0.005
Rwb thaiv tsev	FPE	3.70mm ± 0.01
1st Al Ntawv Nyiaj	AL FOIL / COPPER FOIL
Thib Zaum Thib 2	AL / BC	50-90% Tuav Pov Hwm
Txheej Sheath	PVC / PE	6.10 hli ± 0.1
Lub thawv fais fab	BC / CCA	0.5mm² / 0.75mm²

Cov Qauv Hluav Taws Xob

Ntsuas Tus Nqi Sparker	4000VAC
Txhim nyog	75+3 Ohm
Peev Xwm	50+3pF / m
Kev Tshaj Tawm ntawm Kev Hais Tawm	85%
Rov Qab Yuam Kev	20dB min (5-2300MHz)

Kev qhia tawm [@ 68o F. (20o C.)]

Zaus (MHZ)	Max Kev Tshawb Nrhiav (dB / 100ft)	Max Kev Tshawb Nrhiav (dB / 100m)
5	0.86	2.82
55	2.05	6.73
187	3.6	11.81
300	4.45	14.60
450	5.4	17.72
600	6.2	20.34
750	6.97	22.87
865	7.52	24.67
1000	8.12	26.64
1200	8.97	29.4
1450	9.88	32.41
1800	11.81	38.72
2200	13.05	42.78

Q: Ua li cas rau cov khoom tsim nqi thiab yuav tham nrog tus nqi li cas?

A: Peb teev cov khoom raws li cov neeg siv khoom' kev xaiv ntawm cov ntaub ntawv, luam ntawv, thiab lwm yam txheej txheem ntws thiab lwm yam. Thiab koj tuaj yeem nug los ntawm TM, skype lossis xa e-mail rau peb.

Cim npe nrov: RG59 CCTV cable, Suav teb, cov chaw tsim khoom, chaw muag khoom, Hoobkas, lag luam wholesale, kev cai, nyab laj

RG59 Siamese CCTV Cable