SMC ADSL2 Barricade g Wireless 4-Port Annex B ADSL2/2+ Modem Router. Modulation: CCK, OFDM, Bandwidth: 2.4 GHz. DSL connection type: ADSL, Upstream data rate: 2 Mbit/s, Downstream data rate: 24 Mbit/s. Networking standards: IEEE 802.11b, IEEE 802.11g, IEEE 802.1d, IEEE 802.3, IEEE 802.3u. Switching protocols: RIP v.1/2, Management protocols: TFTP, SNMP v1/2c, SNTP. Antenna connector type: RP-SMA, Antenna gain level (max): 2 dBi