它好像是一個，可以直接用家用電110V→轉成網路，
不需要牽長長網路線，來組成區域網路，如這樣唷：
家用電110V插座←轉接器→交換器→ADSL、PC1、PC2
家用電110V插座←轉接器→PC3
家用電110V插座←轉接器→PC4
目前我只知道他方便，缺點是他只有14Mbps。
看它的價錢還可以接受(起標價：US $35.00 立刻買：US $60.000 有5顆)
請問它還有何缺點呢?謝謝
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Powerline 電力上網
Imagine connecting your computers in different rooms without running any new cables. Now you can completely network your home by plugging into your existing electrical outlets. With NETGEAR's Powerline USB Adapter, a desktop or notebook PC can be networked with ease ­ all it takes is a spare USB port for all your computers to share files, printers, and even your Internet access. Designed to be seen, the good-looking case complements your living environment and sports NETGEAR's new, easy-to-read icons.
Seamless
Any existing 110V electrical outlets can now be used to supply a seamless network connection for all the notebook and desktop PCs that are located in different rooms throughout your home.
User-Friendly
Designed for a carefree lifestyle, the Powerline USB Adapter is simple to set up and use, and comes with a vertical stand plus wall mounts to give you options for saving valuable desk space. Just combine a Cable/DSL Router with a NETGEAR Powerline Ethernet Adapter (Model XE602) and ­ right away ­ all of your PCs can share not only printers, MP3 files, and digital photos, but, most importantly, your cable/DSL connection. Now the PCs in the kids’ bedrooms, family room, and kitchen can all benefit from high-speed Internet access.
Stylish
Powerline's new sleek and attractive case design can stand vertically, saving desk space.
Harmonious
Robust and rate-adaptive, NETGEAR's Powerline USB Adapter minimizes interference from other household appliances. Go ahead and use your hair dryer, vacuum cleaner or TV ­ your network will automatically find the best data rate so that you can continue surfing, gaming or telecommuting. It’s perfectly safe and reliable.
key features
Share Broadband Internet Connection from any room in the home
Simple USB connection, Simply Plug-n-Play
Ethernet-like Data rates up to 14 Mbps
Uses existing electrical wiring to network PCs
Works across circuit breakers and multiple phases
Works with standard 2 or 3 prong electrical outlets
Network Ports: One USB 1.1 port
One 14Mbps PowerLine port
Network Interface: Electrical Plug (Powerline HomePlug Technology)
PC Interface: USB 1.1 Compliant Port
Performance: 10 Mbps 10BASE-T
Standards: 14 Mbps HomePlug 1.0 Compatible
Power Line Networking Standards: HomePlug
Ethernet Standards Compliance: Compliant with HomePlug 1.0 standard
Modulation Schemes: OFDM Symbol Modulation
DQPSK, DBPSK, ROBO Carrier Modulation
CSMA/CA
Frequency Band: 4.3 MHz - 20.9 MHz
Additional Protocols: Forward Error Correction (FEC)
Automatic Channel Adaptation
Power Supply: 85 to 135v @ 60Hz, Internal
Dimensions: W 175 mm (6.9")
D 115 mm (4.53")
H 25 mm (1")
Weight: 0.4 kg (0.87 lb)
Environmental Specifications: Operating temperature:
Operating relative humidity:
0° C to 40° C (32 to 104° F)
10% to 90% noncondensing
Electromagnetic Emissions: FCC Part 15 Class B
Power and Safety Regulations: U/L Certified
Typical Coverage: Up to 5000 square foot home
Warranty: 3 years Manufacturer Warranty
Package Contents: XA601 Powerline USB Adapter
Driver and Documentation CD-ROM
5 ft. USB Cable
6 ft. power cord
Vertical Stand
Wall-mounting screws
XA601 Installation Guide
Warranty and registration card
Support information card