Railway Wireless LAN Solutions > 8 Railway Wireless LAN Solutions www. m oxa. com AWK-3121-RTG Series 8-6 Introduction Specifications Industrial IEEE 802.11a/b/g wireless AP/client The AWK-3121-RTG 3-in-1 industrial AP/client devices are designed specifically for train-to-ground communication while moving at speeds of up to 120 km/h. The AWK-3121-RTG complies with a portion of EN 50155 specifications, covering operating temperature, power input voltage, surge, ESD, and vibration, making the products suitable for a variety of industrial applications. Installation is easy, with either DIN-rail mounting or distribution boxes, and the DIN-rail mounting capability, wide operating temperature range, and IP30 housing with LED indicators make the AWK-3121-RTG a convenient yet reliable solution for any rolling stock application. Advanced Security • 64-bit and 128-bit WEP (Wired Equivalent Privacy) • Enable/disable SSID broadcasts • WPA/WPA2 (Wi-Fi Protected Access) and 802.11i support • IEEE802.1X/RADIUS support • Powerful filters for access control Specifications for Train-to-Ground Applications • Client-based Turbo Roaming handover time < 150 ms @ 1 channel with WPA2 < 350 ms @ 3 channels with WPA2 • Controller-based Turbo Roaming handover time (available only when used with the WAC-1001 or WAC-2004) < 50 ms @ 3 channels with WPA2 • Multiple roaming parameters for different installation structures and antenna types › ›IEEE 802.11a/b/g compliant › ›M12 anti-vibration connectors (AWK-3121-M12-RTG and AWK-3121-M12-HP-RTG) › ›QoS (WMM) and VLAN for efficient network traffic › ›Controller-based Turbo Roaming (handover time < 50 ms @ 3 channels, WPA2); available only when used with the WAC-1001 or WAC-2004 › ›Supports long-distance data transfer (AWK-3121-M12-HP-RTG) › ›Complies with a portion of EN 50155 specifications › ›-40 to 75°C operating temperature range (T models) AWK-3121-RTG Series WLAN Interface Standards: IEEE 802.11a/b/g for Wireless LAN IEEE 802.11i for Wireless Security IEEE 802.3 for 10BaseT IEEE 802.3u for 100BaseTX IEEE 802.3af for Power-over-Ethernet Spread Spectrum and Modulation (typical): • DSSS with DBPSK, DQPSK, CCK • OFDM with BPSK, QPSK, 16QAM, 64QAM • 802.11b: CCK @ 11/5.5 Mbps, DQPSK @ 2 Mbps, DBPSK @ 1 Mbps • 802.11a/g: 64QAM @ 54/48 Mbps, 16QAM @ 36/24 Mbps, QPSK @ 18/12 Mbps, BPSK @ 9/6 Mbps Operating Channels (central frequency): US: 2.412 to 2.462 GHz (11 channels) 5.18 to 5.24 GHz (4 channels) 5.26 to 5.825 GHz (optional) EU: 2.412 to 2.472 GHz (13 channels) 5.18 to 5.24 GHz (4 channels) 5.26 to 5.825 GHz (optional) *Special bands, such as 5.9 GHz, are customizable. Security: • SSID broadcast enable/disable • Firewall for MAC/IP/Protocol/Port-based filtering • 64-bit and 128-bit WEP encryption, WPA/WPA2-Personal and Enterprise (IEEE 802.1X/RADIUS, TKIP, and AES) Transmission Rates: 802.11b: 1, 2, 5.5, 11 Mbps 802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps TX Transmit Power: AWK-3121-M12-RTG and AWK-3121-SSC-RTG: 802.11b: Typ. 23±1.5 dBm @ 1 to 11 Mbps 802.11g: Typ. 20±1.5 dBm @ 6 to 24 Mbps, Typ. 19±1.5 dBm @ 36 Mbps, Typ. 18±1.5 dBm @ 48 Mbps, Typ. 17±1.5 dBm @ 54 Mbps 802.11a: Typ. 18±1.5 dBm @ 6 to 24 Mbps, Typ. 16±1.5 dBm @ 36 to 48 Mbps, Typ. 15±1.5 dBm @ 54 Mbps AWK-3121-M12-HP-RTG: 802.11b: Typ. 26±1.5 dBm @ 1 to 11 Mbps 802.11g: Typ. 26±1.5 dBm @ 6 to 24 Mbps, Typ. 25±1.5 dBm @ 36 Mbps, Typ. 24±1.5 dBm @ 48 Mbps, Typ. 23±1.5 dBm @ 54 Mbps