3
1.3 System Specifications
System
Host Interface
USB V2.0
Chipset
Ralink MAC RT2870, Transceiver RT2820
Operating Voltages
5.0V+/-5%
Typical Power
Transmitting (Legacy mode): 480mA @ 11b, 490mA @ 11g;
Transmitting (HT20 mode): 490mA;
Transmitting (HT40 mode): 495mA;
Receiving (Legacy mode, HT20 mode): 215mA @ 11b/g;
Receiving (HT40 mode): 240mA.
RF – 802.11n (backward compatible to 802.11g & 11b)
Frequency Band
2412 ~ 2484 MHz (subject to local regulation)
Modulation Technology
OFDM and DSSS
Modulation Techniques
64QAM, 16QAM, QPSK, BPSK, DBPSK, DQPSK, CCK
Data Rates
300, 270, 243, 216, 162, 135, 121, 108, 81, 54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1
Mbps, auto fallback
Output power
Legacy mode: 18dBm @11b, 15dBm @11g;
HT20 mode: 15dBm @MCS7/15 (65/130Mbps);
HT40 mode: 15dBm @MCS7 /15(135/270Mbps).
Receive Sensitivity
Legacy mode: -91dBm @11b, -78 dBm @11g;
HT20 mode: -71dBm @ MCS7/15;
HT40 mode: -68dBm @ MCS7/15.
Antenna
One external dipole antenna and one printed PCB antenna
Regulatory and Environmental Compliance
EMC certification
FCC part 15 (USA)
Temperature Range
Operating: 0 ~ 55 degree C, Storage: -20 ~ 65 degree C
Humidity
10% ~ 85% Non-condensing
Software
Driver
Windows 2000/XP/Vista
Security
64/128 bit WEP, 802.1x, WPA and WPA2
Quality of Service (QoS)
WMM
Roaming
Seamless roaming among 11b/g/n access points.
Management Utility
Monitors the network situation.
Mechanical
Weight
21.0g
±
1.0g
Dimension
90.7mm*34.9mm*12.5mm ± 0.25mm
Packaging
Generic, Gigabyte, private labeling optional