User's Manual

ThinkCore W311/321/341 Hardware User’s Manual Introduction
1-4
WLAN Communication
Standard Compliance 802.11a/b/g
Radio Frequency Type DSSS, CCK, OFDM
Radio Frequency Band 802.11a: 5.15 to 5.25 GHz (Indoor used only)
802.11b/g: U.S., Europe and Japan product covering 2.4 to 2.484 GHz
Media Access Protocol Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)
Modulation 802.11a/g: OFDM (64-QAM, 16-QAM, QPSK, BPSK)
802.11b: DSSS (DBPSK, DQPSK, CCK)
Transmission Power
(Typical)
5.15 to 5.25 GHz: 15 dBm @6 Mbps; 12 dBm @54 Mbps
2.412 to 2.462 GHz (IEEE802.11g): 17 dBm @6 Mbps; 15 dBm @54Mbps
2.412 to 2.462 GHz (IEEE802.11b): 18 dBm@ 1 to 11 Mbps
Receiver Sensitivity
(Typical)
5.15 to 5.25 GHz: 6 Mbps @ -90 dBm; 54 Mbps @ -72 dBm
2.412 to 2.462 G (IEEE802.11g): 6 Mbps @ -90 dBm;
54 Mbps @ -73 dBm
2.412 to 2.462 G (IEEE802.11b): 11 Mbps @ -87 dBm;
1 Mbps @ -94 dBm
Transmission Rate 54 Mbps with auto fallback (54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1
Mbps)
802.11b supported rates: 1, 2, 5.5, 11 Mbps
802.11a/g supported rates: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
Transmission distance 100 meters at 11 Mbps (with no obstructions)
Security WEP 64-bit/128-bit, WPA, WPA2 data encryption
Antenna Connector Reverse SMA
Antenna External 2 dBi dipole antenna
WLAN Mode Infrastructure, Ad-Hoc
Network Communication
LAN 10/100 Mbps RJ45 ¯ 1, auto-sensing
Protection 1.5 KV built-in magnetic isolation protection
Serial Communication
Serial Port W311: RS-232/422/485 DB9 male ¯ 1
W321: RS-232/422/485 DB9 male ¯ 2
W341: RS-232/422/485 DB9 male ¯ 4
Protection 15 KV built-in ESD protection for all signals
Data bits 5, 6, 7, 8
Stop bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control RTS/CTS, XON/XOFF, RS-485 ADDC™
Speed 50 bps to 921.6 Kbps, including all nonstandard baudrates