2
1.3 System Specifications
System
Host Interface
USB v2.0
Chipset
Ralink MAC RT2770, Transceiver RT2720
Operating Voltages
5.0V+/-5%
Typical Power
Transmitting (Legacy mode): 305 mA @ 11b, 320 mA @ 11g;
Transmitting (HT20 mode): 320 mA;
Transmitting (HT40 mode): 330 mA;
Receiving (Legacy mode, HT20 mode): 210 mA @ 11b/g;
Receiving (HT40 mode): 235 mA.
RF – 802.11n (backward compatible to 802.11g & 11b)
Frequency Band
2412 ~ 2462 MHz (subject to local regulation)
Modulation Technology
OFDM and DSSS
Modulation Techniques
64QAM, 16QAM, QPSK, BPSK, DBPSK, DQPSK, CCK
Data Rates
Transmit up to 150Mbps and auto fallback
Receive up to 300Mbps
Output power
Legacy mode: 18 dBm @11Mbps, 14 dBm @54Mbps;
HT20 mode: 14 dBm @MCS7 (72.2Mbps);
HT40 mode: 14 dBm @MCS7 (150Mbps).
Receive Sensitivity
Legacy mode: -90 dBm @11Mbps, -76 dBm @54Mbps;
HT20 mode: -72 dBm @ MCS7/15;
HT40 mode: -70 dBm @ MCS7/15.
Antenna
One external dipole antenna and one printed PCB antenna
Regulatory and Environmental Compliance
EMC certification
FCC part 15 (USA)
CE
Temperature Range
Operating: 0 ~ 65 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
15 g
±
1.0g
Dimension 77.6mm*31.0mm*9.1mm ± 0.5mm
Packaging
Generic, Gigabyte, private labeling optional