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WIFI OR PoE FOR IP CAMERA, WHICH IS THE BEST?
#1. YOU DON'T NEED TO USE BOTH Wi-fi AND PoE
Yes, you can't use both WiFi and PoE at same time. After you connect the IP camera to your router, you have to choose one of them, either Wireless or PoE.
Prior to deciding 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 attain.
WiFi or PoE, which is the foremost? As a senior technician who may have four years in video security industry, my answer to this question is PoE is the suggested choice.
#2. WHAT'S WIFI
WiFi is some sort of wireless technology which allows network devices transfer data through cordless transmission (2.4GHz UHF music group, 5GHz SHF strap).
Obviously, once the IP camera facilitates WiFi, the camera can hook up your router without needing hardwired connection. Wi-fi can enable IP camera become lightweight, this is actually the advantage of WiFi.
But there are two disadvantages on WiFi, that are; every gadgets require power supply, that means your IP camera still requires cable television for connection.
So far, I haven't found any IP surveillance cameras are able to operate with electric batteries.
#3. HOW FAR Does indeed WI-FI REACH?
Limited WiFi transmitting distance is another problem.
What lengths does indeed 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 Wi-fi device, environment (in house or outdoor) plus more.
Typically, a home/office router (TP-Link) can provide WiFi coverage gets to up to 10 meters interior.
When Wi-fi devices are working outdoor without hurdle, the transmission distance will be much very good.
To increase the Wireless coverage or distance, you can set up WiFi access point. This access 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 new technology, the first device adopts PoE technology premiered by Cisco in 1999. Transmitting both data and power over one Ethernet cable connection (Kitty5/6) is the main feature of PoE technology.
So long as your IP camera helps PoE, you merely need to hook up it to a PoE NVR or PoE switch, then it works. PoE technology allow IP cameras support plug-and-play unit installation, which greatly reduced the set up procedures, and get rid of the necessity of electricity cable and supply.
Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af provides maximum power rate is to 15.4 W of DC electric power (minimum 44V DC and 350mA) to each device.
In order to provide power supply for high power consumption devices, the IEEE association made another new standard - IEEE802.3at, this standard also known as 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 PROS OF POE TECHNOLOGY
Let's first of all discuss the benefits of PoE. A PoE IP camera can get the power from the Ethernet cable tv, no need extra electricity cable or power.
The maximum connection distance is 100 meters, which is ten times than Wireless. Since data transmission is through wired wire, there is no signal interference, no signal jamming.
For properly working of PoE devices, Ability 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 turn, which increased a little on cost.
#6. WIFI VS POE
No best answer, only right solution. If you want to install one single IP camera for home monitoring, you can choose to use WiFi IP camera.
Ensuring the WiFi IP camera is installed within coverage of your Wireless router.
For several IP camera, PoE is recommended. PoE is much reliable than WiFi in conditions of data transmission.
Furthermore, an IP camera system based on PoE is a lot easier to take care of, centralized power solution becomes available e.g using uninterruptible power (UPS).
From my own investigation of monitoring market, I came across that Wi-fi IP cams are trusted for non-professional inside security, and PoE IP video cameras are installed for outdoor monitoring system. But if you select Wireless IP Camera please read article below.
So how do you really determine which cellular IP camera suits your preferences?
Firstly, establish the thing you need. Many clients often don't really know which type of cordless IP camera suites and would satisfy their needs. Because of this, they get sucked into buying wireless IP cams 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 smart); what detail of data do you want to get? (HD images with or without music) and most importantly, what's your budget?
Second of all, another essential feature to consider before getting yourself a radio IP camera is the pan and tilt range.
Of course, this feature will rely upon 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 wireless IP camera is also vital.
Ensure that you check the sort of zooming capacity, whether its optical or digital.
Most of the IP cameras in the market are digital, but you will never fail to find one with optical move.
Fourth, test the equipment before purchase.
That is vital, especially when you are buying from your neighborhood digital store.
Always obtain a test setup as this will permit you to look for the picture quality of the camera.
In addition, it will give you an chance to learn how to set up the gear in an effective manner to ensure that you receive the best image and sound quality.
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