elro c903ip.2 wifi ip camera

elro c903ip.2 wifi ip camera You should read article below before you buy 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. When you hook up the IP camera to your router, you have to choose one of them, either Wireless or PoE.


Before you decide to buy an IP camera or a whole IP camera system, you should analysis the set up environment and check out which functions you want to attain.


Wi-fi or PoE, which is the foremost? As a senior technician who may have four years in video recording security industry, my response to this question is PoE is the suggested choice.



#2. WHAT'S WIFI


WiFi is a kind of wireless technology which allows network devices transmit data through cordless transmission (2.4GHz UHF group, 5GHz SHF music group).


Obviously, after the IP camera facilitates Wireless, the camera can hook up your router without needing hardwired connection. WiFi can allow IP camera become lightweight, this is actually the advantage of Wi-fi.


But there are two drawbacks on WiFi, that happen to be; every electronic devices require power supply, that means your IP camera still requires cable for connection.


Up to now, I haven't found any IP video cameras have the ability to operate with battery power.



#3. HOW FAR DOES WI-FI REACH?


Limited WiFi transmitting distance is another problem.


What lengths does Wi-Fi reach? It's not easy to answer this question.


When talking about WiFi coverage, we have many things to consider including electricity rate of WiFi device, environment (in house or outdoor) and more.


Typically, a home/office router (TP-Link) provides WiFi coverage grows to up to 10 meters indoor.


When WiFi devices will work outdoor without hurdle, the transmission distance will be much very good.


To increase the WiFi coverage or distance, you can install WiFi gain access to point. This gain access to point (or hotspot) has a range of about 20 meters (66 feet) indoors and a greater range outdoors.



#4. WHAT'S POE?


PoE stands for Power over Ethernet, this is not a new technology, the first device adopts PoE technology was launched by Cisco in 1999. Transmitting both data and power over single Ethernet wire (Feline5/6) is the primary 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 cameras support plug-and-play assembly, which greatly reduced the installation procedures, and eliminate the necessity of electricity cable and offer.


Today, PoE has two standard including IEEE802.3af, and IEEE802.3at. IEEE802.3af provides maximum ability rate is to 15.4 W of DC power (least 44V DC and 350mA) to each device.


To be able to provide power for high electric power utilization 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 power.


PoE technology has been widely used in:

-           IP surveillance system ( Camera + NVR)

-           VoIP Phones

-           WiFi Access Point

-           Network Routers

-           Commercial devices

elro c903ip.2 wifi ip camera

#5. Drawbacks AND PROS OF POE TECHNOLOGY


Let's firstly discuss the benefits of PoE. A PoE IP camera can get the power from the Ethernet cable television, no need extra electric power cable or power.


The maximum interconnection distance is 100 meters, which is ten times than Wi-fi. Since data transmitting is through wired cable connection, there is no signal interference, no signal jamming.


For properly working of PoE devices, Power sourcing equipment (PSE) is essential component, it's rather 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 just a little on cost.



#6. Wi-fi VS POE


No best answer, only right solution. If you want to install a unitary IP camera for home monitoring, you can opt for WiFi IP camera.

Ensuring the Wi-fi IP camera is installed within coverage of your Wireless router.


For more than one IP camera, PoE is recommended. PoE is much reliable than WiFi in terms of data transmission.


Furthermore, an IP camera system predicated on PoE is a lot 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 WiFi IP cams are trusted for non-professional indoor home security, and PoE IP cameras are installed for outdoor surveillance system. But if you select WiFi IP Camera please read article below.




So how would you determine which cordless IP camera suits your needs?


Firstly, establish the thing you need. Many customers often don't really know which kind of cellular IP camera suites and would fulfill their needs. As a result, they get sucked into buying cordless IP cams 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 shiny); what perfection of data do you want to capture? (HD images with or without sound) and most importantly, what's your budget?


 

Second of all, another essential feature to consider before sometimes a radio IP camera is the pan and tilt range.


Naturally, this feature will rely upon the surroundings where you want to use the camera.


A wide skillet and tilt range is never an awful thing.


Thirdly, zooming capacity for the wireless IP camera is also essential.

Make sure that you check the kind of zooming ability, whether its optical or digital.


Most of the IP cameras in the market are digital, but you'll never fail to find one with optical focus.


Fourth, test the gear before purchase.

This is vital, especially when you are buying from your local electronic store.


Always obtain a test setup as this will permit you to determine the picture quality of the camera.


Furthermore, it will offer you an opportunity to learn how to create the equipment in an effective manner to ensure that you find the best image and audio tracks quality.



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source :securitycamerawifi

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