z-wave popp ip camera
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. Once you connect the IP camera to your router, you have to choose one of these, either WiFi or PoE.
Before you decide to buy an IP camera or a complete IP camera system, you should analysis the installation environment and investigate which functions you want to accomplish.
Wi-fi or PoE, which is the best? As a mature technician who have 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 that allows network devices transmit data through wireless indication (2.4GHz UHF group, 5GHz SHF music group).
Obviously, after the IP camera supports Wireless, the camera can connect 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 downsides on WiFi, which are; every gadgets require power, which means your IP camera still requires cable for connection.
So far, I haven't found any IP camcorders are able to operate with electric batteries.
#3. HOW FAR Will WI-FI REACH?
Limited WiFi transmitting distance is another problem.
How far does indeed Wi-Fi reach? It's not easy to answer this question.
When talking about WiFi coverage, we have a lot of things to consider including power rate of WiFi device, environment (in house or outdoor) and even more.
Typically, a home/office router (TP-Link) can offer WiFi coverage grows to up to 10 meters inside.
When Wireless devices are working outdoor without barrier, the transmission distance will be much considerably.
To extend the Wi-fi coverage or distance, you can mount WiFi gain access to point. This access point (or hotspot) has a range of about 20 meters (66 foot) indoors and a larger 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 cable (Kitty5/6) is the primary feature of PoE technology.
So 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 enable IP cameras support plug-and-play unit installation, which greatly reduced the unit installation procedures, and eliminate the necessity of power cable and supply.
Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af can offer maximum vitality rate is to 15.4 W of DC electricity (minimum 44V DC and 350mA) to each device.
In order to provide power supply for high ability usage devices, the IEEE connection 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
- Professional devices
#5. Disadvantages AND Positives OF POE TECHNOLOGY
Let's firstly discuss the features of PoE. A PoE IP camera can get the power from the Ethernet cable television, no need extra power cable or power.
The maximum interconnection distance is 100 meters, which is ten times than Wireless. Since data transmission is through wired cable, there is no signal disturbance, no sign jamming.
For properly working of PoE devices, 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 much expensive when compared to a traditional network turn, which increased 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.
Guaranteeing the Wi-fi IP camera is installed within coverage of your Wireless router.
For several 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 much easier to deal with, centralized electricity solution becomes available e.g using uninterruptible power (UPS).
From my own investigation of monitoring market, I found that Wi-fi IP cameras are widely used for non-professional indoors security, and PoE IP cams are installed for outdoor security system. But if you select Wireless IP Camera please read article below.
So how can you determine which wireless IP camera suits your needs?
Firstly, establish the thing you need. Many buyers often don't really know which type of cellular IP camera suites and would fulfill their needs. As a result, they get sucked into buying cellular IP surveillance cameras that are beyond what they need.
Before clicking or picking on that item to buy, always consider: what conditions will the camera be located in? (Hallway, outdoor, low light or glowing); what perfection of data would you like to get? (HD images with or without audio tracks) and most importantly, what's your budget?
Secondly, another essential feature to consider before sometimes a radio IP camera is the skillet and tilt range.
Naturally, this feature will be based upon the environment where you intend to use the camera.
A broad skillet and tilt range is never a bad thing.
Thirdly, zooming capacity for the cordless IP camera is also essential.
Ensure that you check the type of zooming capacity, whether its optical or digital.
Most of the IP cameras on the market are digital, but you'll never fail to find one with optical move.
Fourth, test the equipment before purchase.
That is vital, in particular when you are buying from your neighborhood electronic digital store.
Always obtain a test set up as this will enable you to look for the display quality of the camera.
Furthermore, it will give you an opportunity to learn how to create the gear in an effective manner to ensure that you have the best image and music quality.
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source :securitycamerawifi
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