→ Module Type: 2G/GSM
→ Module Number: 4
→ 4 GSM 850/900/1800/1900MHz Channels
→ SIM Card: Hot-Swap
→ Equipped with 2 Ethernet ports that meet various needs
→ G.711U, G.711A, GSM, G.722, G.726, G.729
→ WEB, SSH configuration