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WIFI OR PoE FOR IP CAMERA, WHICH IS THE BEST?
#1. NO NEED TO USE BOTH Wireless AND PoE
Yes, you can't use both WiFi and PoE at same time. Once you connect the IP camera to your router, you have to choose one of them, either WiFi or PoE.
Prior to deciding to buy an IP camera or a complete IP camera system, you should analysis the installation environment and investigate which functions you want to achieve.
WiFi or PoE, which is the greatest? As a mature technician who has four years in training video monitoring industry, my response 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 cellular signal (2.4GHz UHF music group, 5GHz SHF music group).
Obviously, once the IP camera helps Wi-fi, the camera can hook up your router without using hardwired connection. WiFi can enable IP camera become portable, this is the advantage of WiFi.
But there are two drawbacks on WiFi, that are; every electronic devices require power, that means your IP camera still requires cable television for connection.
So far, I haven't found any IP surveillance cameras have the ability to operate with power packs.
#3. WHAT LENGTHS Will WI-FI REACH?
Limited WiFi transmitting distance is another problem.
How far does indeed Wi-Fi reach? It isn't easy to answer this question.
When discussing WiFi coverage, we have a lot of things to consider including ability rate of WiFi device, environment (interior or outdoor) and even more.
Typically, a home/office router (TP-Link) provides WiFi coverage extends to up to 10 meters indoor.
When WiFi devices are working outdoor without hurdle, the transmission distance will be much way.
To increase the WiFi coverage or distance, you can set up WiFi gain access to point. Such an gain access to point (or hotspot) has a range around 20 meters (66 foot) 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 was launched by Cisco in 1999. Transmitting both data and power supply over solo Ethernet cable connection (Cat5/6) is the main feature of PoE technology.
As long as your IP camera supports PoE, you merely need to hook up it to a PoE NVR or PoE switch, then it works. PoE technology allow IP surveillance cameras support plug-and-play unit installation, which greatly reduced the assembly 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 offer maximum power rate is to 15.4 W of DC ability (bare minimum 44V DC and 350mA) to each device.
To be able to provide power supply for high power consumption 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 vitality.
PoE technology has been trusted in:
- IP surveillance system ( Camera + NVR)
- VoIP Phones
- WiFi Gain access to Point
- Network Routers
- Industrial devices
#5. Drawbacks AND Advantages OF POE TECHNOLOGY
Let's firstly discuss the advantages of PoE. A PoE IP camera can get the power from the Ethernet cable, no need extra power cable or power supply.
The maximum connection distance is 100 meters, which is ten times than Wireless. Since data transmission is through wired wire, there is no signal disturbance, no indication jamming.
For properly working of PoE devices, Electricity sourcing equipment (PSE) is vital component, it can be 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 transition, which increased just a little on cost.
#6. WIFI VS POE
No best solution, only right solution. If you want to install one single IP camera for home monitoring, you can opt for Wi-fi IP camera.
Ensuring the Wireless IP camera is installed within coverage of your Wireless router.
For several IP camera, PoE is preferred. PoE is much reliable than WiFi in terms of data transmitting.
Furthermore, an IP camera system predicated on PoE is much easier to deal with, centralized power solution becomes available e.g using uninterruptible power supply (UPS).
From my personal investigation of security market, I found that Wireless IP surveillance cameras are trusted for non-professional interior home security, and PoE IP cameras are installed for outdoor surveillance system. But if you select Wi-fi IP Camera please read article below.
So how do you really determine which cordless IP camera suits your preferences?
Firstly, establish the thing you need. Many purchasers often don't really know which kind of cordless IP camera suites and would meet 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 bright); what perfection of data do you want to get? (HD images with or without audio) and most importantly, what's your budget?
Secondly, another essential feature to consider before sometimes a wireless IP camera is the pan and tilt range.
Of course, this feature will be based upon the environment where you want to use the camera.
A broad pan and tilt range is never a poor thing.
Thirdly, zooming capacity for the wireless IP camera is also vital.
Ensure that you check the sort of zooming functionality, 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 focus.
Fourth, test the gear before purchase.
This is vital, especially when you are buying from your neighborhood electronic store.
Always request for a test set up as this will permit you to determine the picture quality of the camera.
In addition, it will offer you an opportunity to learn how to set up the gear in an effective manner to make certain you obtain the best image and music quality.
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