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WIFI OR PoE FOR IP CAMERA, WHICH MAY BE THE BEST?
#1. YOU DON'T NEED TO USE BOTH WIFI AND PoE
Yes, you can't use both Wireless and PoE at same time. Once you connect 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 complete IP camera system, you should analysis the set up environment and investigate which functions you want to achieve.
Wireless or PoE, which is a good? As a older technician who have four years in video recording monitoring industry, my response to this question is PoE is the suggested choice.
#2. WHAT'S WIFI
WiFi is a kind of wireless technology that allows network devices transmit data through cordless transmission (2.4GHz UHF strap, 5GHz SHF strap).
Obviously, after the IP camera supports Wireless, the camera can hook up your router without needing hardwired connection. Wireless can allow IP camera become lightweight, this is actually the advantage of Wi-fi.
But there are two disadvantages on WiFi, which are; every electronic devices require power, which means your IP camera still requires cable for connection.
Up to now, I haven't found any IP camcorders have the ability to operate with battery power.
#3. WHAT LENGTHS Will WI-FI REACH?
Limited WiFi transmitting distance is another problem.
What lengths does Wi-Fi reach? It's not easy to answer this question.
When talking about WiFi coverage, we've many things to consider including ability rate of Wireless device, environment (interior or outdoor) and more.
Typically, a home/office router (TP-Link) can provide WiFi coverage grows to up to 10 meters interior.
When WiFi devices will work outdoor without hurdle, the transmitting distance will be much very good.
To extend the WiFi coverage or distance, you can mount WiFi access 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 stands for Power over Ethernet, this is not a new technology, the first device adopts PoE technology premiered by Cisco in 1999. Transmitting both data and power over solitary Ethernet cable tv (Cat5/6) is the primary feature of PoE technology.
So long as your IP camera helps PoE, you merely need to connect it to a PoE NVR or PoE switch, then it works. PoE technology allow IP surveillance cameras support plug-and-play installation, which greatly reduced the installation procedures, and eliminate the necessity of ability cable and offer.
Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af provides maximum electricity rate is to 15.4 W of DC electricity (minimal 44V DC and 350mA) to each device.
To be able to provide power supply for high ability usage 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 power.
PoE technology has been widely used in:
- IP security system ( Camera + NVR)
- VoIP Phones
- WiFi Access Point
- Network Routers
- Industrial devices
#5. Negative aspects AND Advantages OF POE TECHNOLOGY
Let's firstly discuss the features of PoE. A PoE IP camera can get the power 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, there is no signal disturbance, no signal jamming.
For properly working of PoE devices, Power 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 much expensive when compared to a traditional network transition, which increased a little on cost.
#6. Wi-fi VS POE
No best answer, only right solution. If you want to install a unitary IP camera for home monitoring, you can opt for Wi-fi 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 Wireless in conditions of data transmission.
Furthermore, an IP camera system predicated on PoE is a lot easier to take care of, centralized vitality solution becomes available e.g using uninterruptible power (UPS).
From my personal investigation of monitoring market, I came across that Wireless IP video cameras are widely used for non-professional interior home security, and PoE IP surveillance cameras are installed for outdoor monitoring system. But if you select WiFi IP Camera please read article below.
So how can you determine which wireless IP camera suits your needs?
Firstly, establish what you need. Many clients often don't really know which type of wireless IP camera suites and would satisfy their needs. Because of this, they get sucked into buying wireless IP video cameras that are beyond what they want.
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 bright); what accuracy of data do you want to get? (HD images with or without sound) & most importantly, what's your budget?
Subsequently, another essential feature to consider before getting yourself a radio IP camera is the pan and tilt range.
Obviously, this feature will rely upon the environment where you intend to use the camera.
A wide pan and tilt range is never an awful thing.
Thirdly, zooming capacity for the cordless IP camera is also essential.
Ensure that you check the kind of zooming potential, whether its optical or digital.
Most of the IP cameras on the market are digital, but you will never fail to find one with optical focus.
Fourth, test the equipment before purchase.
This is vital, in particular when you are buying from your local digital store.
Always obtain a test setup as this will allow you to determine the display quality of the camera.
Furthermore, it will give you an possibility to learn how to set up the equipment in an effective manner to make sure that you get the best image and music quality.
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