这个Linksys WRT54G Wireless-G Router效果比G Router距离长吗?

我有个Wireless-B rounter,用Wireless时距离远时很慢（比如楼上楼下）。不知换个
Wireless-G Router可否解决这个问题。

下面AMAZON的Linksys WRT54G Wireless-G Router如何？

Click下面图能直接到AMAZON看

Linksys WRT54G Wireless-G Router
$49.99

Technical Details
All-in-one Internet-sharing router, 4-port switch, and Wireless-G (802.11g) access point
Wireless data rates up to 54 Mbps--5 times faster than 802.11b
Shares a single Internet connection and other resources with Ethernet wired and Wireless-G clients
Interoperates with 802.11b clients at 11 Mbps
Advanced wireless security with 128-bit WEP encryption, MAC, or IP address filtering