The TP-Link MR6500V is a versatile 4G LTE and DSL wireless router with built-in telephony support, ideal for both internet and voice communication. Featuring dual WAN for 4G and DSL fallback, SIM card compatibility, and telephony ports for landline calling, it offers seamless connectivity and flexibility for homes and small businesses. Key Features: Supports 4G LTE & DSL Connections with Dual WAN Backup Up to 300Mbps Wireless N Speed for Smooth Browsing & Streaming Built-in SIM Slot – Plug & Play Mobile Internet 2 FXS Ports for VoIP & Landline Voice Calling 4 LAN Ports + 1 WAN/LAN Port for Wired Devices Compatible with Most SIM Cards (Check Carrier) Easy Setup via TP-Link Tether App Ideal for Homes, Remote Offices, and Small Businesses