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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. After you hook up the IP camera to your router, you have to choose one of these, either WiFi or PoE.
Prior to deciding to buy an IP camera or a whole IP camera system, you should analysis the unit installation environment and research which functions you want to accomplish.
Wireless or PoE, which is the better? As a senior technician who may have four years in 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 transmit data through wireless indication (2.4GHz UHF band, 5GHz SHF strap).
Obviously, after the IP camera supports Wireless, the camera can connect your router without using hardwired connection. Wi-fi can permit IP camera become portable, this is actually the advantage of Wireless.
But there are two downsides on WiFi, that happen to be; every gadgets require power, that means your IP camera still requires wire for connection.
Up to now, I haven't found any IP cameras are able to operate with batteries.
#3. HOW FAR DOES WI-FI REACH?
Limited WiFi transmitting distance is another problem.
How far will Wi-Fi reach? It isn't easy to answer this question.
When discussing WiFi coverage, we have many things to consider including electric power rate of WiFi device, environment (indoors or outdoor) and more.
Typically, a home/office router (TP-Link) provides WiFi coverage gets to up to 10 meters inside.
When WiFi devices will work outdoor without barrier, the transmitting distance will be much much.
To increase the WiFi coverage or distance, you can install WiFi gain access to point. This gain access to point (or hotspot) has a variety around 20 meters (66 toes) indoors and a greater range outdoors.
#4. WHAT'S POE?
PoE means 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 supply over single Ethernet wire (Kitten5/6) is the primary feature of PoE technology.
As long as your IP camera supports PoE, you merely need to connect it to a PoE NVR or PoE switch, then it works. PoE technology allow IP cams support plug-and-play installation, which greatly reduced the assembly procedures, and eliminate the necessity of ability cable and supply.
Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af provides maximum electric power rate is to 15.4 W of DC vitality (minimum 44V DC and 350mA) to each device.
To be able to provide power for high ability ingestion 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 trusted in:
- IP monitoring system ( Camera + NVR)
- VoIP Phones
- WiFi Gain access to Point
- Network Routers
- Industrial devices
#5. Drawbacks AND Benefits OF POE TECHNOLOGY
Let's first of all discuss the advantages of PoE. A PoE IP camera can get the power from the Ethernet cable, no need extra power cable or power.
The maximum interconnection distance is 100 meters, which is ten times than Wireless. Since data transmitting is through wired cable television, there is no signal disturbance, no sign 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 than a traditional network transition, which increased just a little on cost.
#6. Wi-fi VS POE
No best solution, only right solution. If you wish to install one single IP camera for home monitoring, you can choose to use Wireless IP camera.
Ensuring the Wireless IP camera is installed within coverage of your Wireless router.
For more than one IP camera, PoE is preferred. PoE is a lot reliable than Wireless in conditions of data transmission.
Furthermore, an IP camera system based on PoE is a lot easier to manage, centralized ability solution becomes available e.g using uninterruptible power (UPS).
From my personal investigation of security market, I came across that Wi-fi IP camcorders are widely used for non-professional interior home security, and PoE IP surveillance cameras are installed for outdoor security system. But if you choose 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 potential buyers often don't really know which kind of cellular IP camera suites and would meet their needs. Because of this, they get sucked into buying cordless IP 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 situated in? (Hallway, outdoor, low light or shiny); what accuracy of data do you want to capture? (HD images with or without audio tracks) and most importantly, what's your budget?
Second of all, another essential feature to consider before sometimes a wireless IP camera is the pan and tilt range.
Of course, this feature will depend on the surroundings where you want to use the camera.
A wide skillet and tilt range is never a poor thing.
Thirdly, zooming capability of the wireless IP camera is also essential.
Ensure 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'll never fail to find one with optical move.
Fourth, test the gear before purchase.
This is vital, specially when you are buying from your local electronic digital store.
Always request for a test set up as this will allow you to determine the display quality of the camera.
Furthermore, it will give you an opportunity to learn how to set up the gear in a proper manner to make sure that you obtain the best image and sound quality.
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