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WIFI OR PoE FOR IP CAMERA, WHICH MAY BE THE BEST?
#1. NO NEED TO USE BOTH Wireless 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 complete IP camera system, you should analysis the installation environment and research which functions you want to accomplish.
WiFi or PoE, which is best? As a mature technician that has four years in training video security industry, my response to this question is PoE is the recommended choice.
#2. WHAT'S WIFI
WiFi is some sort of wireless technology which allows network devices transfer data through wireless signal (2.4GHz UHF music group, 5GHz SHF music group).
Obviously, after the IP camera facilitates Wireless, the camera can hook up your router without using hardwired connection. Wireless can permit IP camera become portable, this is actually the advantage of WiFi.
But there are two disadvantages on WiFi, which are; every electronic devices require power, which means your IP camera still requires cable television for connection.
So far, I haven't found any IP cameras are able to operate with power packs.
#3. WHAT LENGTHS Will WI-FI REACH?
Limited WiFi transmission distance is another problem.
How far does Wi-Fi reach? It's not easy to answer this question.
When talking about WiFi coverage, we have many things to consider including vitality 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 indoors.
When Wireless devices will work outdoor without hurdle, the transmitting distance will be much considerably.
To extend the Wireless coverage or distance, you can install WiFi gain access to point. Such an access point (or hotspot) has a range around 20 meters (66 ft) indoors and a greater range outdoors.
#4. WHAT'S POE?
PoE stands for 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 over solitary Ethernet cable (Kitty5/6) is the key feature of PoE technology.
So long as your IP camera facilitates PoE, you just need to connect it to a PoE NVR or PoE switch, then it works. PoE technology enable IP surveillance cameras support plug-and-play unit installation, which greatly reduced the assembly procedures, and get rid of the necessity of power cable and supply.
Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af can provide maximum electricity rate is to 15.4 W of DC vitality (minimum amount 44V DC and 350mA) to each device.
In order to provide power supply for high power usage 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 electricity.
PoE technology has been trusted in:
- IP monitoring system ( Camera + NVR)
- VoIP Phones
- WiFi Gain access to Point
- Network Routers
- Commercial devices
#5. CONS AND Benefits OF POE TECHNOLOGY
Let's firstly discuss the features of PoE. A PoE IP camera can get the power from the Ethernet cable connection, no need extra power cable or power supply.
The maximum connection distance is 100 meters, which is ten times than WiFi. Since data transmission is through wired cable tv, there is no signal disturbance, no transmission jamming.
For properly working of PoE devices, Electric power 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 a lot expensive than a traditional network turn, which increased just a little on cost.
#6. Wi-fi VS POE
No best solution, only right solution. If you want to install a unitary IP camera for home monitoring, you can choose to use WiFi IP camera.
Guaranteeing the WiFi IP camera is installed within coverage of your WiFi router.
For more than one IP camera, PoE is recommended. PoE is much reliable than Wi-fi in terms of data transmission.
Furthermore, an IP camera system based on PoE is a lot easier to control, centralized vitality solution becomes available e.g using uninterruptible power supply (UPS).
From my personal investigation of monitoring market, I found that Wireless IP cameras are trusted for non-professional indoors home security, and PoE IP camcorders are installed for outdoor monitoring system. But if you choose Wireless IP Camera please read article below.
So how can you determine which cordless IP camera suits your preferences?
Firstly, establish the thing you need. Many buyers often don't really know which kind of cellular IP camera suites and would meet their needs. As a result, they get sucked into buying cellular 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 located in? (Hallway, outdoor, low light or smart); what perfection of data do you want to record? (HD images with or without sound) & most importantly, what is your budget?
Second, another essential feature to consider before getting yourself a radio IP camera is the pan and tilt range.
Of course, this feature will depend on the environment where you would like to use the camera.
A broad skillet and tilt range is never a negative thing.
Thirdly, zooming capability of the wireless IP camera is also essential.
Make sure that you check the type of zooming capabilities, 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 focus.
Fourth, test the gear before purchase.
That is vital, especially when you are buying from your neighborhood electronic digital store.
Always obtain a test setup as this will allow you to look for the display quality of the camera.
In addition, it will give you an possibility to learn how to set up the gear in a proper manner to make sure that you get the best image and audio tracks quality.
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