7/8 D Leaky Cable
Leaky coaxial cable muaj ob lub teeb liab kis tau tus mob thiab kav hlau txais xov ua haujlwm. Los ntawm kev tswj qhov qhib ntawm tus neeg xyuas pib, cov tswj hluav taws xob electromagnetic waveenergy tuaj yeem ua tib yam radiated thiab tau txais nyob rau hauv txoj kab, npog thaj tsam qhov muag tsis pom ntawm electromagnetic teb, thiab ua tiav lub hom phiaj ntawm kev sib txuas lus ntawm kev sib txuas lus.
Xa kev nug
Khoom Taw qhia
Daim ntawv thov:
1. Kev sib txuas lus txawb hauv cov tsev, tunnels thiab subways (GSM, PCN /
PCS, DECT…)
2. Kev sib txuas lus hauv cov tsev hauv av, xws li chaw nres tsheb,
hauv qab daus thiab mines
3. Kev xa xov ntawm FM band (88-108MHz) cov ntaub ntawv hauv txoj kev loj
4. Kev xa tawm ntawm lub tswb ceeb toom wireless hauv txoj kev loj
5. Kev sib kis ntawm cov xov tooj ntawm tes hauv kev loj tunnels
6. Kev xa xov hluav taws xob hauv subways lossis subway tunnels
|
Attenuation(dB/100m) & Kev sib txuas Poob(2m,50%/95%) @ 20 degree |
||||
|
Ntau zaus, MHz |
dB dB |
dB dB |
dB dB |
dB dB |
|
75 |
2.1 69/75 |
1.3 60/70 |
0.8 61/70 |
0.6 63/72 |
|
100 |
/ / |
1.6 64/75 |
0.9 60/68 |
0.7 60/70 |
|
150 |
3.1 70/80 |
1.9 63/73 |
1.1 62/72 |
0.9 66/76 |
|
350 |
4.7 65/68 |
3.0 62/65 |
1.9 67/72 |
1.4 65/69 |
|
450 |
5.6 59/62 |
3.5 65/70 |
2.2 68/71 |
1.6 67/70 |
|
800 |
7.4 68/75 |
4.7 60/62 |
3.2 62/64 |
2.4 59/62 |
|
900 |
7.8 62/66 |
5.0 58/61 |
3.6 58/61 |
2.7 58/60 |
|
960 |
8.2 66/73 |
5.3 58/60 |
3.9 58/62 |
2.9 59/61 |
Cim npe nrov: 7/8 d leaky cable, Tuam Tshoj, tuam ntxhab, lwm tus muag khoom, Hoobkas, lag luam wholesale
Tom ntej
Tsis muajKoj Tseem Yuav Zoo Li
Xa kev nug