Product comparison · 2 network cards

Zyxel ZyAIR G-220 - 802.11g Wireless USB 2.0 Adapter vs Zyxel ZyAIR G-302 - 802.11g Wireless PCI Adapter

Key differences

Host interface
- ZyAIR G-220 - 802.11g Wireless USB 2.0 Adapter:USB
- ZyAIR G-302 - 802.11g Wireless PCI Adapter:PCI
Internal
- ZyAIR G-220 - 802.11g Wireless USB 2.0 Adapter:No
- ZyAIR G-302 - 802.11g Wireless PCI Adapter:Yes
Component for
- ZyAIR G-220 - 802.11g Wireless USB 2.0 Adapter:PC/Laptop
- ZyAIR G-302 - 802.11g Wireless PCI Adapter:PC
Antenna design
- ZyAIR G-220 - 802.11g Wireless USB 2.0 Adapter:Internal
- ZyAIR G-302 - 802.11g Wireless PCI Adapter:External
Compatible operating systems
- ZyAIR G-220 - 802.11g Wireless USB 2.0 Adapter:Windows 98SE/ME/2000/XP
- ZyAIR G-302 - 802.11g Wireless PCI Adapter:Windows 98SE/2000/ME/XP
Slot type
- ZyAIR G-220 - 802.11g Wireless USB 2.0 Adapter:USB type A
- ZyAIR G-302 - 802.11g Wireless PCI Adapter:32-bit PCI

Differences highlightedShow differences only

Comparison of ZyAIR G-220 - 802.11g Wireless USB 2.0 Adapter, ZyAIR G-302 - 802.11g Wireless PCI Adapter
21 specifications	A Zyxel ZyAIR G-220 - 802.11g Wireless USB 2.0 Adapter View product	B Zyxel ZyAIR G-302 - 802.11g Wireless PCI Adapter View product
Ports & interfaces1 differ
Connectivity technology	Wireless	Wireless
Host interfaceDiffers	USB	PCI
Networkidentical
Maximum data transfer rate	54 Mbit/s	54 Mbit/s
Wi-Fi band	Single-band (2.4 GHz)	Single-band (2.4 GHz)
Frequency range	2.4 - 2.4835 GHz	2.4 - 2.4835 GHz
Modulation	CCK, DBPSK, DQPSK, OFDM	CCK, DBPSK, DQPSK, OFDM
Security algorithms	WPA	WPA
Design3 differ
InternalDiffers	No	Yes
Component forDiffers	PC/Laptop	PC
Antenna designDiffers	Internal	External
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
CertificationKnown for one	Unknown — not stated by the source	WHQL
System requirements1 differ
Compatible operating systemsDiffers	Windows 98SE/ME/2000/XP	Windows 98SE/2000/ME/XP
Other features3 differ
Compliance industry standards	IEEE 802.11g, IEEE 802.11b	IEEE 802.11g, IEEE 802.11b
Supported data transfer ratesDiffers	1, 2, 5.5, 6, 9, 11, 12, 24, 36, 48, 54 Mbps	1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54 Mbps
Outdoor rangeKnown for one	300m	Unknown — not stated by the source
Indoor rangeKnown for one	80m	Unknown — not stated by the source
Slot typeDiffers	USB type A	32-bit PCI
Output power descriptionDiffers	17 dBm@11Mbps, 15 dBm@54Mbps	18dBm @ 11Mbps; 13dBm @ 51Mbps
Poweridentical
TX power consumptionKnown for one	Unknown — not stated by the source	600 mA
RX power consumptionKnown for one	Unknown — not stated by the source	450 mA

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.