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WIFI OR PoE FOR IP CAMERA, WHICH MAY BE THE BEST?
#1. NO NEED TO USE BOTH Wireless AND PoE
Yes, you can't use both Wireless and PoE at same time. When you connect the IP camera to your router, you have to choose one of these, either WiFi or PoE.
Prior to deciding to buy an IP camera or a complete IP camera system, you should analysis the installation environment and check out which functions you want to achieve.
WiFi or PoE, which is best? As a mature technician that has four years in video tutorial security industry, my answer to this question is PoE is the recommended choice.
#2. WHAT'S WIFI
WiFi is a kind of wireless technology that allows network devices transmit data through wireless sign (2.4GHz UHF band, 5GHz SHF music group).
Obviously, once the IP camera helps Wi-fi, the camera can hook up your router without needing hardwired connection. Wi-fi can allow IP camera become lightweight, this is the advantage of Wireless.
But there are two drawbacks on WiFi, that happen to be; every gadgets require power supply, which means your IP camera still requires cable television for connection.
Up to now, I haven't found any IP surveillance cameras are able to operate with power packs.
#3. WHAT LENGTHS DOES WI-FI REACH?
Limited WiFi transmitting distance is another problem.
How far does indeed Wi-Fi reach? It isn't easy to answer this question.
When talking about WiFi coverage, we've a lot of things to consider including vitality rate of WiFi device, environment (inside or outdoor) and more.
Typically, a home/office router (TP-Link) can offer WiFi coverage grows to up to 10 meters interior.
When WiFi devices are working outdoor without hurdle, the transmission distance will be much way.
To extend the Wireless coverage or distance, you can install WiFi access point. This access point (or hotspot) has a variety of about 20 meters (66 toes) indoors and a greater range outdoors.
#4. WHAT'S POE?
PoE stands for Power over Ethernet, this isn't a new technology, the first device adopts PoE technology was launched by Cisco in 1999. Transmitting both data and power over solo Ethernet cable tv (Pet cat5/6) is the key feature of PoE technology.
As long as your IP camera helps PoE, you merely need to hook up it to a PoE NVR or PoE switch, then it works. PoE technology allow IP surveillance cameras support plug-and-play set up, which greatly reduced the set up procedures, and get rid of the necessity of power cable and offer.
Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af provides maximum vitality rate is to 15.4 W of DC vitality (minimal 44V DC and 350mA) to each device.
To be able to provide power for high ability intake devices, the IEEE relationship made another new standard - IEEE802.3at, this standard also called PoE+ or PoE plus, provides up to 25.5 W of electric power.
PoE technology has been trusted in:
- IP monitoring system ( Camera + NVR)
- VoIP Phones
- WiFi Access Point
- Network Routers
- Professional devices
#5. Drawbacks AND Benefits OF POE TECHNOLOGY
Let's first of all discuss the benefits of PoE. A PoE IP camera can get the power from the Ethernet cable connection, no need extra electricity cable or power supply.
The maximum interconnection distance is 100 meters, which is ten times than Wireless. Since data transmitting is through wired cable connection, there is no signal disturbance, no transmission jamming.
For properly working of PoE devices, Electric power sourcing equipment (PSE) is essential component, it's rather a network PoE switch, or an intermediary device such as PoE injector.
A PoE switch is much expensive when compared to a traditional network change, which increased a little on cost.
#6. Wi-fi VS POE
No best answer, only right solution. If you wish to install one single IP camera for home monitoring, you can opt for WiFi IP camera.
Guaranteeing the WiFi IP camera is installed within coverage of your Wi-fi router.
For more than one IP camera, PoE is recommended. PoE is a lot reliable than Wi-fi in conditions of data transmitting.
Furthermore, an IP camera system predicated on PoE is a lot easier to deal with, centralized ability solution becomes available e.g using uninterruptible power (UPS).
From my own investigation of surveillance market, I found that Wi-fi IP surveillance cameras are widely used for non-professional indoors home security, and PoE IP video cameras are installed for outdoor security system. But if you choose Wireless IP Camera please read article below.
So how do you really determine which cellular IP camera suits your preferences?
Firstly, establish what you need. Many customers often don't really know which type of cordless IP camera suites and would gratify their needs. As a result, they get sucked into buying cellular IP camcorders that are beyond what they want.
Before clicking or picking on that item to buy, always consider: what conditions will the camera be located in? (Hallway, outdoor, low light or bright); what perfection of data do you want to record? (HD images with or without audio tracks) & most importantly, what's your budget?
Second, another essential feature to consider before sometimes a wireless IP camera is the pan and tilt range.
Of course, this feature will be based upon the surroundings where you want to use the camera.
A wide pan and tilt range is never a poor thing.
Thirdly, zooming capability of the cellular IP camera is also essential.
Make sure that you check the sort of zooming capability, whether its optical or digital.
A lot of the IP cameras on the market are digital, but you will never fail to find one with optical zoom.
Fourth, test the equipment before purchase.
This is vital, specially when you are buying from your local electric store.
Always obtain a test setup as this will enable you to determine the display quality of the camera.
Furthermore, it will give you an opportunity to learn how to create the gear in a proper manner to ensure that you obtain the best image and audio quality.
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