User's Manual

November 2003
Rev. A
Page 10 of 10
4. GigAccess
TM
900 RSU Technical Specifications
Operating Frequency 902 – 928MHz ISM band
Number of Channels 7 (912 – 918) in step of 1MHz in GA_900_RSU
15 (907 – 923) in step of 1MHz in GA_900A_RSU
Access technology TDMA (Time division multiple access)
Duplexing schemes TDD (Time division duplex)
RF Waveform Direct Sequence Spread spectrum (DSSS)
Modulation DQPSK, 16CCK
1
, 256 CCK
Raw Data Rates 11 Mbps and 5.5 Mbps in GA_900_RSU
5.5 Mbps and 2Mbps in GA_900A_RSU
Data Throughput Up to 5.0 Mbps for RSU
Radio Sensitivity @11 Mbps: -82 dBm, IE-2 PER
2
@5.5 Mbps: -87 dBm, IE-2 PER
@2 Mbps: -89 dBm, IE-2 PER
EIRP 36 dBm (max)
Antenna Gain 6.5 dBi
Antenna Polarization Vertical or Horizontal
Wireless MAC Interface Proprietary based on IEEE 802.16a
Physical Interface 2 x 10/100 Base-T (RJ-45)
Protocol Supported IP, ICMP, ARP, TCP, UDP, DHCP, and HTTP
Software Update Over the Air Download via TFTP
Operating Temperature 0°C - +40°C
Power 3.3 VDC, < 5 Watt
AC Input Voltage 100 – 240 VAC, 47 – 63 Hz
Mechanical 160 mm x 160 mm x 45 mm
1
CCK - Complementary Code Keying
2
PER - Packet Error Rate