Router Zte F6640 -
ZTE ZXHN F6640 is a high-end Gigabit Passive Optical Network (GPON) gateway designed for Fiber-to-the-Home (FTTH) and Small Office/Home Office (SOHO) users. It is an all-in-one device that functions as an Optical Network Terminal (ONT) and a Wi-Fi 6 router. DriniaTech Key Connectivity & Speed Features Wi-Fi 6 (802.11ax) Technology
- PON technology: GPON, 10G-PON
- Downstream data rate: up to 2.488 Gbps
- Upstream data rate: up to 1.244 Gbps
- Number of Ethernet ports: 4 x GE (Gigabit Ethernet)
- Wi-Fi: 802.11n (2.4 GHz) and 802.11ac (5 GHz)
- VoIP support: Yes
- Video support: Yes
2. Default Access
| Setting | Value |
|------------------|------------------------------------|
| IP Address | 192.168.1.1 (often) or 192.168.0.1 |
| Username | user or admin |
| Password | user or printed on label (or admin / Zte521) | router zte f6640
Final Advice
Do not buy this router. (You can't anyway – it's ISP only). ZTE ZXHN F6640 is a high-end Gigabit Passive
WLAN Performance: Supports dual-band Wi-Fi 6 (802.11ax) with a combined theoretical speed of up to 3.75 Gbps. 2.4 GHz Band: Up to 1147 Mbps ( MIMO). 5 GHz Band: Up to 3.75 Gbps ( MIMO). Physical Ports: WAN: One GPON interface (SC/APC connector). PON technology: GPON, 10G-PON Downstream data rate: up
### Core Connectivity & PerformanceThe F6640 is engineered to handle massive data throughput, making it suitable for bandwidth-intensive tasks like 4K streaming, online gaming, and large file transfers.
The ZTE ZXHN F6640 is a high-end Gigabit Passive Optical Network (GPON) home gateway designed specifically for Fiber-to-the-Home (FTTH) solutions. It serves as a central hub for high-speed internet, voice (VoIP), and multimedia distribution within modern home or small office (SOHO) environments. 1. Key Hardware Specifications
5. Troubleshooting
| Problem | Likely fix |
|----------------------------|--------------------------------------------------|
| No internet after bridge | Reboot ONT and your router; check VLAN ID. |
| Can’t access web UI | Use ethernet, set static IP 192.168.1.10/24. |
| LOS red blinking | Fiber issue – check cable, bend, or ISP outage. |
| VoIP not working | Verify SIP server/proxy settings in VoIP tab (ISP-provided). |