According to Gigabyte, their AirCruiser G Desktop Router is the world first internal wireless router. It is a Wi-Fi access point, firewall and ADSL router with a single 10/100Mbps Ethernet port in a PCI interface that works at wireless speeds of up to 54Mbps.

IEEE Standards:	IEEE 802.11b, IEEE 802.11g, IEEE 802.3, IEEE 802.3u
Wireless Data Rate:	802.11b – 1,2,5.5,11 Mbps || 802.11g – 6,9,12,18, 24,36,48,54 Mbps
WAN/LAN Data Rate:	LAN: one 10/100Mbps Ethernet (auto-MDIX), RJ-45 WAN: one 10/100Mbps Ethernet (auto-MDIX), RJ-45
Modulation Technology:	DSSS (DBPSK, DQPSK, CCK) || OFDM (BPSK, QPSK, 16-QAM, 64-QAM)
Frequency Range:	2.412 to 2.484GHz
Transmit Output Power:	19 dBm
Security:	Wi-Fi Protected AccessTM Integrated Firewall 64/128-bit WEP encryption 802.1x Access Control
Support DNS Relay:	Yes
DHCP Server:	Yes
Support PPPoE/Dynamic:	Yes
Protocol Support:	NAT
VPN Support:	Yes
Antenna:	Detachable 3dBi gain antenna

The AirCruiser G Desktop Router comes in a nice small box pictured below. Inside the box, we found inside the following"

1- AirCruiser G Desktop Router PCI card
2- User Quick Manual
3- CD Contains some documentation
4- Detachable External Antenna with Magnetized and blue led on the top of it
5- 2x ATX converters ( 24 pin and 20 pin )
6- Plate Braces
7- ½ meter PC-to-Hub network cable