How to decide the type of CCTV you need?, Security System - CCTV
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 Nov 27 2021, 12:56 PM
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#1
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Junior Member
225 posts Joined: Dec 2009 
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Hi, am considering wired or wireless cctv. How is the performance of wireless cctv if they are placed external, let's say for a 2 storey terrace with build up of around 2600sqft? Basically, 1 at car porch, 1 at backyard, 1 front upstair, 1 back upstair. How is the signal strength?
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Nov 28 2021, 11:47 AM
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#2
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Junior Member
225 posts Joined: Dec 2009
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QUOTE(adamw @ Nov 27 2021, 02:10 PM) Signal strength depends on where you place the AP. You can also used your phone to test how is the signal strength where you intend to install this camera. Another option is to used dedicated Wireless NVR with their own paired Wifi ip camera. Eg. from Sopeewifi nvr Do you think new house under renovation, I should consider wired instead of wireless? |
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Nov 28 2021, 12:48 PM
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#3
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Junior Member
225 posts Joined: Dec 2009
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QUOTE(adamw @ Nov 28 2021, 11:51 AM) Yes, used cat6 & wired it even for points that you are not sure. If double storey or more run cat6 to every floor link with the designated fiber incoming supply. You won't regret doing this. Though the camera is PoE type, should I add power point next to it for future proof in additional power source required?This post has been edited by ckl1998: Nov 28 2021, 12:49 PM |
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Nov 30 2021, 02:22 PM
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#4
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Junior Member
225 posts Joined: Dec 2009
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QUOTE(adamw @ Nov 28 2021, 02:27 PM) No need extra power cable. Technology won't go backwards. 5.0MP camera (with true WDR) is 2.5 times the price of 2.0MP. Other than price, any disadvantages of using high resolution camera in residential? Any implication of viewing online via internet if the resolution is high? And actually even though it's POE, only 2 pairs is being used, Cable 1236. You still have 4578 as spares. This post has been edited by ckl1998: Nov 30 2021, 02:24 PM |
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Nov 30 2021, 03:36 PM
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#5
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Junior Member
225 posts Joined: Dec 2009
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QUOTE(adamw @ Nov 30 2021, 02:37 PM) You will only need 120dB WDR or higher if the camera is in a low light placement looking out into a brightly lit environment. If price is not an issue, there is no disadvantage on using 5Mp or even 8Mp(4k). For internet viewing you can always select the 2nd stream if bandwidth is low. In fact some app will prompt you to switch to low resolution iautomatically. As 5.0MP aspect ration is 4:3, how is the feel, does the output look weird since it is not in 16:9? |
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Nov 30 2021, 06:14 PM
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#6
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Junior Member
225 posts Joined: Dec 2009
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Have you heard about this brand Centrix? I think a local brand. How is it?
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Nov 30 2021, 10:11 PM
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#7
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Junior Member
225 posts Joined: Dec 2009
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QUOTE(adamw @ Nov 30 2021, 08:31 PM) Sure but I think Ip camera/nvr they should be selling rebadge UNV, well at least that was before MCO when their sales contacted me. As for HD Analog HVR, they used to be selling the XMeye aka Xiongmai. I see. No experience with this brand. Here is the spec of the camera, price is close to 400 per piece, competitive?Just google Xiongmai and you will know how great it is  |
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Dec 1 2021, 11:22 AM
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#8
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Junior Member
225 posts Joined: Dec 2009
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QUOTE(adamw @ Dec 1 2021, 12:10 AM) I have one demo of same spec ipc just without SDcard but added in speaker for 2 way audio plus white led. If you want to view live can PM me for instructions. I have yet to set the AI though. Bullet type is with 4.0mm lens whereas dome type is 2.8mm. Understand 2.8mm has wider viewing angle. What other consideration should I take into account in deciding a bullet or dome? My usage is for residential, 2 story terrace, to monitor car porch, back lane, balcony and internals like dining and living hall. |
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Dec 1 2021, 01:08 PM
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#9
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Junior Member
225 posts Joined: Dec 2009
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QUOTE(adamw @ Dec 1 2021, 11:47 AM) I have 4 units of this still in box. It's bullet with 2.8mm lens. Would not recommend 5Mp with 2.8mm lens. For aesthetic normally will used dome for indoor.4k bullet If aesthetic is not an issue, 4.0mm is recommended for indoor compared to 2.8mm? |
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