Stay connected wherever broadband isn’t reliable with the Archer MR400, TP-Link’s AC1200 4G LTE router that’s perfect for remote homes, backup internet, vacation properties, or temporary setups. Just insert a compatible SIM card, power on, and share a fast, stable wireless connection across up to 64 devices. With dual-band WiFi (2.4 GHz & 5 GHz), multiple LAN ports, and support for LTE bands used worldwide, the MR400 offers both speed and flexibility to fit many use cases.
Key Specifications
| Specification | Detail |
| Wireless Standards | IEEE 802.11ac/n/a on 5 GHz; IEEE 802.11n/g/b on 2.4 GHz. |
| WiFi Speeds (AC1200) | Up to 300 Mbps on 2.4 GHz + 867 Mbps on 5 GHz. |
| 4G LTE Performance | Supports LTE download speeds of up to ~150 Mbps and upload speeds ~50 Mbps (depending on network) via FDD & TDD LTE bands. |
| Device Capacity | Supports up to 64 WiFi devices connected simultaneously. |
| Ports & SIM Slot | 3 × 10/100 Mbps LAN ports; 1 × 10/100 Mbps LAN/WAN port; built-in nano-SIM slot. |
| Antennas | 2 external/detachable LTE antennas (depending on version) for improved signal; WiFi antennas internally integrated. |
| Buttons & Controls | WPS / Reset button; WiFi ON/OFF button; optionally Power On/Off. |
| Wireless Security & Features | WPA/WPA2 encryption; guest networks; parental controls; QoS; WAN failover; supports both IPv4 & IPv6. |
| WAN Modes & Backup | Works as a 4G router; can also be used as wireless router with cable/fiber broadband; WAN/LAN port supports fallback in case 4G fails. |
| Power & Physical | External power: 12 V / 1 A; size approx 174 × 124.5 × 33.5 mm; operating temp ~ 0-40 °C. |












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