To understand the mechanism behind wireless Internet cards, you first have to grasp how the wireless Internet itself works. When USB wireless adapters first hit the market most of them did not have an external antenna. Dual Wi-Fi antennas operate on a principle known as antenna diversity, which offers two different reference points for signal reception or transmission (or both) and uses the better one. I bought a new PC a few days ago and noticed it came with two wifi antennas for the card. This is not something that you have to worry about with a PCI-E WiFi adapter. Hey PCMR, My wifi card has 2 antennas while my router only has 1 antenna pointing upwards (vertical). I ordered the WIFi Card and antenna as specified (about $30 USD total on eBay with free shipping). When integrating wireless hardware with your embedded computer, the pigtail is included by default. If the additional antenna actually makes a big difference in speed, I'd go with that one, but if doesn't, why not save the money, right? Further, focus groups show that people prefer not to have external antennas, for aesthetic reasons. ... which is why many wifi tips guides recommend switching away from it to boost speed and reliabilityâitâs just less congested. Protected health information (PHI), also referred to as personal health information, generally refers to demographic information,... HIPAA (Health Insurance Portability and Accountability Act) is United States legislation that provides data privacy and security ... Telemedicine is the remote delivery of healthcare services, such as health assessments or consultations, over the ... Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a business.
So at this point, you may be thinking âwhy should I bother even considering a PCI-E WiFi adapter if the USB solution is so much easier to install and setup?â I had the same thoughts but there are advantages and disadvantages to both of these types of WiFi adapters. 2 comments. John Dorsey and Douglas Kough invented an antenna diversity system that has been patented by Apple. Based on the Antenna placement, there are mainly two types of WiFi Antennas. dual Wi-Fi antenna: A dual Wi-Fi antenna is a pair of identical antennas on a wireless router or Wi-Fi -equipped device, intended to eliminate signal fading and dead spots. This antenna has a 1 metre lead. When I did this I had to make the decision between using a PCI-E WiFi card in my desktop computer or using a USB WiFi adapter which seemed to be a lot less hassle to me. The only real disadvantages of a PCI-E wireless adapter are that you have to physically install them into your computer and they are often more expensive than a USB wireless adapter. Adding a 2nd antenna would require complete disassembly of the notebook, including the display panel area, in order to properly route the antenna.