There is a wireless LAN router at home, but the toilet, bath, and living room at the end of the second floor are easy to cut off -for those who have such troubles, we recommend introducing a wireless LAN relay machine.By relaying the radio waves of the wireless LAN router, the wireless LAN relay machine, the Wi-Fi communication speed of the smartphone and tablet in a distant place can be improved.
Many general relay machines are inserted directly into the outlet, and depending on the size, they may be in the way of turning off the power of other devices.Especially if the antenna is a 2x2 product, like Buffalo's Buffalo's "WEX-1166DHP", which I introduced last time, the antenna tends to be larger than one product.Meanwhile, the net gear was released with a small size "EX6120" while supporting 2x2.
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| ↑『EX6120』は2×2で5GHz帯の最大通信速度が867Mbps（理論値）の中継機。実売価格は6600円前後。外部アンテナがあるものの、本体は小型なので、自重でコンセントから抜け落ちる心配もない。 |
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The size is 55.17 (W) x 39 (D) x 67.17 (H) Milli, which is about half of the company's old product EX6100.
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| ↑最大通信速度が433Mbpsの『EX6100』（左）と比べると、そのサイズ差は歴然。小型で通信速度も上と、いいことづくめだ。 |
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| ↑左側面にはWPSボタン、電源ボタン、右側面にはLANポート（100Mbps）を備える。 |
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The connection with the wireless LAN router is as simple as other relay machines, just press the WPS button.In the case of manual connection, enter the URL in the browser, display the setting screen, and follow the instructions on the screen to complete the settings.It is possible from a PC and a smartphone, and the instructions are easy to understand, so even the first person is safe.
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| ↑本体が小型なため、中継機（ワイヤレスエクステンダー）モードと、アクセスポイントモードの切り替えスイッチを備えていない。切り替える場合はスマホなどのブラウザーから手動で行なう。 |
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| ↑手動設定画面はシンプルで分かりやすい。接続したいルーターが取り出しづらい場所にあったりする人は、手動でそのルーターのSSIDを選択して接続した方が早い。基本はデフォルト設定のまま進めればOK。 |
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In addition, the smartphone app called "NetGear Wifi Analytics" provided by the company is excellent and interesting.This app can be downloaded for free from Googl Play and App Store.It is a pity that it does not support Japanese, but there are many functions, such as checking the radio wave intensity, using channels used for surrounding wireless LAN routers, and comparing radio wave intensity for multiple wireless LAN routers.
Wireless LAN has different channels for each band.If the channel is crowded, the speed decreases is likely to occur, so depending on how the channel is crowded, manually changing the wireless LAN router channel may improve the speed.
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| ↑アプリではスマホで接続した中継機の電波強度を、計測器の形で視覚的に分かりやすく確認できる。 |
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| ↑無線LANルーター、中継機の各帯域ごとのチャンネル、暗号方式、電波強度もひと目で確認できる。 |
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This time, the relay aircraft was inserted into an outlet on the second floor of the writer's house, and was verified by connecting to a wireless LAN router in the central room on the first floor.On the second floor, it was connected to the "EX6120" using a smartphone and confirmed the radio wave intensity in "NetGear Wifi Analytics", but it shows a higher value than the wireless LAN router, although there is a shaking depending on the time.
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| ↑チャンネルごとの電波強度はグラフでも確認可能。ピンクが中継機、オレンジが1階に置いてある親機。時々、グラフが重なることがあったが、『EX6120』の方がほぼ高い数値を示した。 |
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| ↑周囲の使用チャンネル、混み具合もひと目で確認できる。棒線左横がチャンネル、右横がそのチャンネルを使用している機器数、“Clarity”が快適度を示す。 |
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| ↑標準でリビング、ベッドルームなど場所の設定があり、各場所ごとの通信速度テストを行ない、記録できる。 |
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| ↑複数の無線LAN機器を設定して、電波強度を折れ線グラフで確認することも。電波は常に一定ではなく、時間ごとに揺れがあることが分かるが、どの機器が安定して高い数値を維持しているかが分かるのは便利だ。 |
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First of all, the communication speed test is IEEE802.The 11ac and 1x1 smartphone "Xperia Z3" were connected.The verification time is from 7 to 8 am to 8 am when the radio waves in the neighborhood are relatively calm.The best results that do not perform 5 times for each setting are as follows.
The communication speed is more than three times the descent when connected to the 5GHz band, and the rise is 10 times more than LTE communication.2.In the 4GHz band, the speed of the descent was slightly improved, but the climb was more than three times.
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| ↑アンテナの角度を水平に変更。前回の『WEX-1166DHP』は無線LANルーターが下にある場合は、速度がわずかに向上したが……。 |
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| ↑『EX6120』5GHz帯接続時（アンテナ垂直）。 |
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| ↑『EX6120』2.4GHz帯接続時（アンテナ垂直）。 |
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When the antenna was extended up, the communication speed was slightly improved as before.The result may change depending on the environment, but if you are worried, you should change the angle of the antenna and measure the speed.
Furthermore, this time, IEEE802.Using Dell's "NEW XPS 13", which supports 2x2 connections on 11ac, we transfer about 1GB of multiple image files to measure the speed.I compared the previous machine "EX6100" with an antenna.Both are the transfer time when connected to the 5GHz band.
The transfer time of the file was more than twice as faster for the "EX6120".The "EX6100" has a result of 5 minutes 29 seconds during the verification conducted in August 2014, so the results will vary depending on the conditions, such as the verification time and the compatibility with the PC to be connected, but the results will change depending on the conditions.It is obvious that the larger the number of antennas, the faster.
The "EX6120" is not in large -scale mass retailers, but is sold only in some online stores such as Amazon, but it is generally a relay machine at around 6600 yen.If the wireless LAN router is slightly older, there are places where wifi is difficult to reach in the house, or if you are dissatisfied with the speed, why not consider purchasing?
■ Related site "EX6120" product page
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