It can maintain TCP fairness only when all the nodes in TCP flows are in the sensing or interference range.

只有当TCP流中所有节点都在信号感知范围内才能保持公平性。

youdao

A second approach is to use a wide range of sequential frequencies; this is easier to match but more prone to interference.

第二种方法是使用一种有序的多波段发生器，这样可以更容易的匹配回波信号，但同时也更易受到干扰。

youdao

Older, 27MHz wireless is often found in low-end products, and is prone to interference and range issues.

27MHz的老古董无线设备常用在低端产品上，这东西很容易大范围产生干扰。

youdao

However, as good as 802.11n is, few if any unlicensed wireless technologies are completely immune to interference and range limitations, which is why the inclusion of a hard drive is a great boon for this device class.

ENGADGET: Switched On: Apple TV deletes DMA deficiencies

But it uses a lot of battery power, and the 2.4 GHz spectrum is also widely in use by devices like Wi-Fi networks--and cordless phones and microwave ovens can cause interference in that range.

FORBES: Magazine Article

Kindle Fire HD can switch automatically between the 2.4 GHz network and the newer, less crowded 5 GHz network, resulting in better range and less interference.

ENGADGET: Kindle Paperwhite and two Fires up for pre-order in Japan, Kindle Store opens there tomorrow