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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 WiFi and PoE at same time. When you hook up 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 whole IP camera system, you should analysis the installation environment and check out which functions you want to accomplish.
WiFi or PoE, which is the greatest? As a mature technician that has four years in video recording monitoring industry, my response to this question is PoE is the recommended choice.
#2. WHAT'S WIFI
WiFi is a kind of wireless technology which allows network devices transmit data through cellular sign (2.4GHz UHF strap, 5GHz SHF 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 disadvantages on WiFi, which are; every electronic devices require power, which means your IP camera still requires cable connection for connection.
So far, I haven't found any IP surveillance cameras are able to operate with electric batteries.
#3. WHAT LENGTHS Will WI-FI REACH?
Limited WiFi transmitting distance is another problem.
What lengths does indeed Wi-Fi reach? It isn't easy to answer this question.
When discussing WiFi coverage, we have many things to consider including electricity rate of Wireless device, environment (in house or outdoor) plus more.
Typically, a home/office router (TP-Link) can offer WiFi coverage extends to up to 10 meters interior.
When WiFi devices are working outdoor without barrier, the transmitting distance will be much significantly.
To extend the WiFi coverage or distance, you can install WiFi gain access to point. This gain access to point (or hotspot) has a range around 20 meters (66 foot) indoors and a larger range outdoors.
#4. WHAT'S POE?
PoE means Power over Ethernet, this isn't a new technology, the first device adopts PoE technology premiered by Cisco in 1999. Transmitting both data and power supply over sole Ethernet cable (Cat5/6) is the main feature of PoE technology.
So long as your IP camera supports PoE, you just need to hook up it to a PoE NVR or PoE switch, then it works. PoE technology permit IP camcorders support plug-and-play installation, which greatly reduced the unit installation 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 can provide maximum electricity rate is to 15.4 W of DC ability (bare minimum 44V DC and 350mA) to each device.
In order to provide power supply for high electricity usage devices, the IEEE association made another new standard - IEEE802.3at, this standard also called PoE+ or PoE plus, provides up to 25.5 W of power.
PoE technology has been widely used in:
- IP surveillance system ( Camera + NVR)
- VoIP Phones
- WiFi Access Point
- Network Routers
- Industrial devices
#5. Negative aspects AND Positives OF POE TECHNOLOGY
Let's firstly discuss the benefits of PoE. A PoE IP camera can get the energy from the Ethernet cable connection, no need extra electric power cable or power.
The maximum interconnection distance is 100 meters, which is ten times than WiFi. Since data transmitting is through wired cable tv, there is no signal disturbance, no transmission jamming.
For properly working of PoE devices, Electricity 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 a lot expensive than a traditional network turn, which increased just a little on cost.
#6. Wi-fi VS POE
No best solution, only right solution. If you wish to install a unitary IP camera for home monitoring, you can choose to use WiFi IP camera.
Ensuring the WiFi IP camera is installed within coverage of your Wi-fi router.
For several IP camera, PoE is preferred. PoE is a lot reliable than Wireless in conditions of data transmitting.
Furthermore, an IP camera system based on PoE is much easier to deal with, centralized power solution becomes available e.g using uninterruptible power (UPS).
From my personal investigation of surveillance market, I came across that WiFi IP video cameras are widely used for non-professional in house security, and PoE IP cameras are installed for outdoor security system. But if you choose Wireless IP Camera please read article below.
So how do you determine which wireless IP camera suits your needs?
Firstly, establish what you need. Many purchasers often don't really know which kind of cordless IP camera suites and would fulfill their needs. As a result, they get sucked into buying cordless IP video cameras that are beyond what they need.
Before clicking or picking on that item to buy, always consider: what conditions will the camera be situated in? (Hallway, outdoor, low light or bright); what accuracy of data would you like to take? (HD images with or without music) and most importantly, what's your budget?
Second, another essential feature to consider before sometimes a radio IP camera is the pan and tilt range.
Certainly, this feature will rely upon the environment where you intend to use the camera.
A broad pan and tilt range is never an awful thing.
Thirdly, zooming capability of the cordless IP camera is also vital.
Ensure that you check the sort of zooming potential, whether its optical or digital.
Most of the IP cameras in the market are digital, but you'll never neglect to find one with optical zoom.
Fourth, test the gear before purchase.
That is vital, especially when you are buying from your neighborhood electronic store.
Always obtain a test installation as this will enable you to look for the display quality of the camera.
Furthermore, it will give you an opportunity to learn how to create the equipment in a proper manner to make certain you obtain the best image and music quality.
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source :securitycamerawifi
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