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WIFI OR PoE FOR IP CAMERA, WHICH MAY BE THE BEST?
#1. YOU DON'T NEED TO USE BOTH Wireless AND PoE
Yes, you can't use both Wi-fi and PoE at same time. After 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 attain.
Wi-fi or PoE, which is best? As a mature technician who have four years in video recording monitoring industry, my response to this question is PoE is the advised choice.
#2. WHAT'S WIFI
WiFi is a kind of wireless technology which allows network devices transfer data through wireless signal (2.4GHz UHF music group, 5GHz SHF group).
Obviously, after the IP camera supports WiFi, the camera can hook up your router without using hardwired connection. Wi-fi can permit IP camera become portable, this is the advantage of Wi-fi.
But there are two downsides on WiFi, that are; every gadgets require power, that means your IP camera still requires wire for connection.
Up to now, I haven't found any IP cams have the ability to operate with batteries.
#3. HOW FAR Does indeed WI-FI REACH?
Limited WiFi transmitting distance is another problem.
What lengths does Wi-Fi reach? It isn't easy to answer this question.
When talking about WiFi coverage, we have many things to consider including electric power rate of WiFi device, environment (indoor or outdoor) and much more.
Typically, a home/office router (TP-Link) can offer WiFi coverage grows to up to 10 meters inside.
When Wi-fi devices will work outdoor without hurdle, the transmission distance will be much way.
To extend the WiFi coverage or distance, you can install WiFi gain access to point. This gain access to point (or hotspot) has a variety of about 20 meters (66 feet) indoors and a larger range outdoors.
#4. WHAT'S POE?
PoE means Power over Ethernet, this isn't a fresh technology, the first device adopts PoE technology premiered by Cisco in 1999. Transmitting both data and power over solitary Ethernet cable (Cat5/6) is the key feature of PoE technology.
As long as your IP camera facilitates PoE, you just need to connect it to a PoE NVR or PoE switch, then it works. PoE technology permit IP camcorders support plug-and-play unit installation, which greatly reduced the assembly procedures, and eliminate the necessity of ability cable and supply.
Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af provides maximum electricity rate is to 15.4 W of DC electric power (least 44V DC and 350mA) to each device.
To be able to provide power supply for high vitality consumption devices, the IEEE connection made another new standard - IEEE802.3at, this standard also called PoE+ or PoE plus, provides up to 25.5 W of electricity.
PoE technology has been widely used in:
- IP monitoring system ( Camera + NVR)
- VoIP Phones
- WiFi Access Point
- Network Routers
- Professional devices
#5. Negatives AND Benefits OF POE TECHNOLOGY
Let's first of all discuss the benefits of PoE. A PoE IP camera can get the energy from the Ethernet cable television, no need extra power cable or power supply.
The maximum connection distance is 100 meters, which is ten times than WiFi. Since data transmitting is through wired cable, there is no signal interference, no sign jamming.
For properly working of PoE devices, Power sourcing equipment (PSE) is essential component, it can be a network PoE switch, or an intermediary device such as PoE injector.
A PoE switch is much expensive than a traditional network swap, which increased a little on cost.
#6. Wi-fi VS POE
No best solution, only right solution. If you want to install a unitary IP camera for home monitoring, you can choose to use Wireless IP camera.
Guaranteeing the Wireless IP camera is installed within coverage of your Wi-fi router.
For more than one IP camera, PoE is recommended. PoE is much reliable than Wi-fi in conditions of data transmission.
Furthermore, an IP camera system predicated on PoE is much easier to manage, centralized electricity solution becomes available e.g using uninterruptible power supply (UPS).
From my own investigation of surveillance market, I found that Wireless IP surveillance cameras are widely used for non-professional in house home security, and PoE IP surveillance cameras are installed for outdoor security system. But if you choose WiFi IP Camera please read article below.
So how does one determine which wireless IP camera suits your needs?
Firstly, establish the thing you need. Many customers often don't really know which kind of wireless IP camera suites and would gratify their needs. Because of this, they get sucked into buying wireless IP surveillance cameras that are beyond what they need.
Before clicking or picking on that item to buy, always ask yourself: what conditions will the camera be situated in? (Hallway, outdoor, low light or shiny); what detail of data would you like to capture? (HD images with or without music) & most importantly, what's your budget?
Subsequently, another essential feature to consider before getting yourself a wireless IP camera is the pan and tilt range.
Certainly, this feature will be based upon the surroundings where you would like to use the camera.
A wide pan and tilt range is never an awful thing.
Thirdly, zooming capability of the cellular IP camera is also essential.
Make sure that you check the type of zooming capability, whether its optical or digital.
Most of the IP cameras on the market are digital, but you'll never fail to find one with optical zoom.
Fourth, test the gear before purchase.
That is vital, specially when you are buying from your local electronic digital store.
Always obtain a test setup as this will enable you to determine the display quality of the camera.
In addition, it will offer you an opportunity to learn how to create the gear in a proper manner to ensure that you receive the best image and sound quality.
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source :securitycamerawifi
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