ZyXEL P-660HW-D3. WLAN data transfer rates supported: 54 Mbit/s. DSL connection type: ADSL, DSL specification: G.992.1. Networking standards: IEEE 802.11g. Management protocols: FTP/TFTP, SNMP, Telnet, Supported network protocols: IPSec, PPTP, NAT, SUA. Antenna gain level (max): 2 dBi