Zyxel 660HWP, Ethernet LAN, ADSL, Hitam Zyxel 660HWP. Pemodulatan: BPSK, OFDM, QPSK, ROBO. Jenis antara muka LAN ethernet: Fast Ethernet, Kadar data LAN ethernet: 10,100 Mbit/s, Piawaian rangkaian: IEEE 802.11b, IEEE 802.11g, IEEE 802.1D, IEEE 802.1Q. Spesifikasi DSL: G.dmt ADSL (G.992.1 Annex A), ADSL2 G.dmt.bis (G.992.3), ADSL2+ (G.992.5), Reach-Extended ADSL (RE.... Algoritma keselamatan: 128-bit WEP, 256-bit WEP, 64-bit WEP, WPA, WPA-PSK, WPA2, Keselamatan tembok api: Distributed Denial of Service (DDoS) prevention, Jadual alamat MAC: 256 entri. Protokol pengurusan: VPN (IPSec, PPTP), DNS, Protokol VoIP: SIP Pass-through