ip camera 002a
WIFI OR PoE FOR IP CAMERA, WHICH IS THE BEST?
#1. YOU DON'T NEED TO USE BOTH WIFI AND PoE
Yes, you can't use both Wi-fi and PoE at same time. After you hook up the IP camera to your router, you have to choose one of these, either WiFi or PoE.
Before you decide to buy an IP camera or a complete IP camera system, you should analysis the assembly environment and check out which functions you want to achieve.
Wi-fi or PoE, which is the best? As a older 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 that allows network devices transmit data through cordless indication (2.4GHz UHF group, 5GHz SHF band).
Obviously, after the IP camera facilitates Wi-fi, the camera can connect your router without needing hardwired connection. Wi-fi can allow IP camera become lightweight, this is the advantage of Wireless.
But there are two downsides on WiFi, that are; every gadgets require power, which means your IP camera still requires cable television for connection.
Up to now, I haven't found any IP video cameras have the ability to operate with battery power.
#3. HOW FAR Does indeed WI-FI REACH?
Limited WiFi transmission distance is another problem.
How far does Wi-Fi reach? It isn't easy to answer this question.
When discussing WiFi coverage, we've a lot of things to consider including vitality rate of Wi-fi device, environment (indoor or outdoor) plus more.
Typically, a home/office router (TP-Link) can provide WiFi coverage gets to up to 10 meters indoors.
When Wireless devices will work outdoor without hurdle, the transmission distance will be much way.
To increase the Wireless coverage or distance, you can install WiFi gain access to point. Such an gain access to point (or hotspot) has a range of about 20 meters (66 ft) indoors and a greater 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 solo Ethernet cable (Kitty5/6) is the main feature of PoE technology.
So long as your IP camera supports PoE, you just need to connect it to a PoE NVR or PoE switch, then it works. PoE technology enable IP cameras support plug-and-play set up, which greatly reduced the unit installation procedures, and eliminate the necessity of electric power cable and offer.
Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af can provide maximum ability rate is to 15.4 W of DC power (minimal 44V DC and 350mA) to each device.
To be able to provide power for high power utilization devices, the IEEE connection made another new standard - IEEE802.3at, this standard also known as PoE+ or PoE plus, provides up to 25.5 W of power.
PoE technology has been trusted in:
- IP security system ( Camera + NVR)
- VoIP Phones
- WiFi Gain access to Point
- Network Routers
- Commercial devices
#5. CONS AND Advantages OF POE TECHNOLOGY
Let's firstly discuss the benefits of PoE. A PoE IP camera can get the energy from the Ethernet cable tv, no need extra power cable or power.
The maximum connection distance is 100 meters, which is ten times than Wi-fi. Since data transmitting is through wired cable connection, there is no signal disturbance, no indication jamming.
For properly working of PoE devices, Electricity sourcing equipment (PSE) is vital component, it's rather a network PoE switch, or an intermediary device such as PoE injector.
A PoE switch is a lot expensive when compared to a traditional network switch, which increased a little on cost.
#6. Wi-fi VS POE
No best answer, 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 Wi-fi IP camera is installed within coverage of your Wireless router.
For several 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 control, centralized vitality solution becomes available e.g using uninterruptible power supply (UPS).
From my own investigation of security market, I found that Wireless IP video cameras are widely used for non-professional indoors home security, and PoE IP surveillance cameras are installed for outdoor monitoring system. But if you select Wi-fi IP Camera please read article below.
So how would you determine which cordless IP camera suits your preferences?
Firstly, establish what you need. Many customers often don't really know which kind of wireless IP camera suites and would fulfill their needs. As a result, 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 located in? (Hallway, outdoor, low light or dazzling); what perfection of data do you want to get? (HD images with or without sound) and most importantly, what is your budget?
Second, another essential feature to consider before getting yourself a wireless IP camera is the skillet and tilt range.
Obviously, this feature will depend on the surroundings where you would like to use the camera.
A broad pan and tilt range is never an undesirable thing.
Thirdly, zooming capability of the cellular IP camera is also vital.
Make sure that you check the kind of zooming capabilities, whether its optical or digital.
A lot of the IP cameras on the market are digital, but you will never neglect to find one with optical move.
Fourth, test the equipment before purchase.
That is vital, in particular when you are buying from your neighborhood electronic digital store.
Always request for a test setup as this will permit you to look for the picture quality of the camera.
Furthermore, it will offer you an possibility to learn how to create the equipment in an effective manner to make sure that you obtain the best image and audio quality.
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source :securitycamerawifi
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