Grandstream HT-502 Dual Port FXS Gateway Two Telephone Lines, Two Ethernet WAN/LAN
Grandstream GS-HT701 Handytone 701 ATA Analog Telephone Adapter Single Phone Line, Single Ethernet Connection
Grandstream GS-HT702 Handytone 2-FXS Port Analog Telephone Adapter Two Telephone Lines, Single Ethernet Connection