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WIFI OR PoE FOR IP CAMERA, WHICH MAY BE THE BEST?
#1. YOU DON'T NEED TO USE BOTH Wi-fi AND PoE
Yes, you can't use both Wi-fi and PoE at same time. While you hook up the IP camera to your router, you have to choose one of them, either Wireless or PoE.
Before you decide to buy an IP camera or a whole IP camera system, you should analysis the installation environment and research which functions you want to attain.
WiFi or PoE, which is the best? As a senior technician that has four years in training video surveillance 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 cellular sign (2.4GHz UHF band, 5GHz SHF music group).
Obviously, after the IP camera supports Wi-fi, the camera can connect your router without needing hardwired connection. Wi-fi can permit IP camera become portable, this is actually the advantage of Wireless.
But there are two disadvantages on WiFi, which can be; every electronic devices require power, which means your IP camera still requires cable television for connection.
Up to now, I haven't found any IP cams have the ability to operate with power packs.
#3. WHAT LENGTHS DOES 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 discussing WiFi coverage, we've many things to consider including power rate of Wi-fi device, environment (in house or outdoor) plus more.
Typically, a home/office router (TP-Link) can provide WiFi coverage reaches up to 10 meters indoors.
When Wireless devices are working outdoor without hurdle, the transmission distance will be much very good.
To increase the WiFi coverage or distance, you can install WiFi gain access to point. This access point (or hotspot) has a range of about 20 meters (66 feet) indoors and a larger range outdoors.
#4. WHAT'S POE?
PoE means Power over Ethernet, this is not a fresh technology, the first device adopts PoE technology was launched by Cisco in 1999. Transmitting both data and power over solitary Ethernet cable (Pet cat5/6) is the key feature of PoE technology.
As 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 allow IP video cameras support plug-and-play set up, which greatly reduced the installation procedures, and get rid of the necessity of electricity cable and offer.
Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af can provide maximum power rate is to 15.4 W of DC ability (minimum amount 44V DC and 350mA) to each device.
In order to provide power supply for high electricity utilization 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 security system ( Camera + NVR)
- VoIP Phones
- WiFi Access Point
- Network Routers
- Commercial devices
#5. Negatives AND Advantages OF POE TECHNOLOGY
Let's first of all discuss the advantages of PoE. A PoE IP camera can get the power from the Ethernet wire, no need extra electricity cable or power.
The maximum connection distance is 100 meters, which is ten times than WiFi. Since data transmitting is through wired cable tv, there is absolutely no signal disturbance, no transmission jamming.
For properly working of PoE devices, Ability 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 move, 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 Wireless IP camera.
Making sure the Wireless 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 Wireless in terms of data transmitting.
Furthermore, an IP camera system predicated on PoE is a lot easier to deal with, centralized vitality solution becomes available e.g using uninterruptible power supply (UPS).
From my personal investigation of monitoring market, I came across that Wi-fi IP surveillance cameras are widely used for non-professional in house home security, and PoE IP video cameras are installed for outdoor security system. But if you choose WiFi IP Camera please read article below.
So how do you determine which wireless IP camera suits your preferences?
Firstly, establish the thing you need. Many customers often don't really know which type of wireless IP camera suites and would fulfill their needs. Because of this, they get sucked into buying cellular 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 located in? (Hallway, outdoor, low light or excellent); what detail of data do you want to capture? (HD images with or without audio tracks) and most importantly, what's your budget?
Secondly, another essential feature to consider before sometimes a radio IP camera is the pan and tilt range.
Needless to say, this feature will be based upon the surroundings where you intend to use the camera.
A wide skillet and tilt range is never a bad thing.
Thirdly, zooming capacity for the cellular IP camera is also vital.
Make sure that you check the kind of zooming ability, whether its optical or digital.
Most of the IP cameras in the market are digital, but you will never neglect to find one with optical move.
Fourth, test the gear before purchase.
This is vital, particularly when you are buying from your neighborhood electric store.
Always request for a test setup as this will enable you to look for the picture quality of the camera.
Furthermore, it will give you an possibility to learn how to set up the equipment in an effective manner to ensure that you obtain the best image and audio quality.
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