I've always been hesitant of going full wireless with all of my computers. While wireless was always good for general browsing and streaming, I found while gaming, I would have lag issues and periodic signal drops. This was mainly due to all of the wireless signals clogging up the 2.4GHz band. People don't realize that it isn't just computers using the 2.4GHz range. I have a baby monitor that uses the same frequency and will cause signal interference. There are also microwaves, cordless phones, and some Bluetooth devices that will also use the 2.4GHz range. Have you ever been in an intense online game and someone goes to heat up something in the microwave and you lag out? I've had that happen to me.
It wasn't until the end of 2009 that we saw the introduction of the 802.11n standard. Originally, the N version still used the 2.4GHz spectrum, however, there was the introduction of the 5GHz band and 40MHz channel width to consumers. The 5GHz band is much less congested and offers higher capacity. The 40MHz channel width allows double the bandwidth (per channel) over the standard 20MHz channel. Many people still have old routers and a mix of old/new hardware. Without the proper setup, the newest hardware cannot work to its full capacity. Did you get a new iPhone 5 or Samsung Galaxy S3? Those can both use 802.11n and the 5GHz band.
The ASUS RT-N56U Dual-band Gigabit Wireless-N Router might be the upgrade you need. The RT-N56U contains enthusiast grade hardware and software, at a mainstream price. The N56U combines extreme performance with a bit of style. As a Dual-band router, the RT-N56U can use both 5GHz and 2.4GHz speeds up to 300Mbps concurrently. Integrated is a 4 port Gigabit hardware NAT. There are two USB 2.0 ports with speed rating up to 15MB/s throughput. The USB ports can support external storage through FTP/SAMBA, and supports mobile modems. They are also fully powered for peripheral charging. Internally, ASUS doubled the RAM to 128MB for better operation under heavier, multiple user, loads. Internal software includes support for VPN, DLNA, torrent, and media sharing.
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