A: Yes. The DIR-850L will repeat both bands. However, it is smart to use one band for the "backhaul" (connection to the main router) and the other for clients. Unfortunately, the default firmware does not let you manually assign this; it auto-negotiates.
| Feature | DIR-850L Repeater | Modern Mesh System | | :--- | :--- | :--- | | | Free (you own it) | $150 - $500 | | Setup Complexity | Moderate | Very Easy (App based) | | Roaming | Manual (sticky clients) | Seamless (802.11k/v) | | Speed | ~50% of main router | ~70-80% | | Reliability | Good for 1-2 devices | Great for 20+ devices |
If you own a D-Link DIR-850L (often called the "AC1750 Dual-Band Gigabit Cloud Router"), you have a powerful tool at your disposal that can solve this problem without buying a new device. This feature is called .