5G Router Diagnostic Question Sheet

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Date: __________________
Name / Location: __________________
Contact: __________________

1. Physical Setup

  1. Where is the router placed? (Near window / center of building / enclosed space / other)
  2. Any large obstructions nearby? (Metal shelves, concrete walls, appliances) ☐ Yes ☐ No
  3. Antennas: ☐ Internal ☐ External – If external, are they aimed toward the nearest tower? ☐ Yes ☐ No
  4. Router ventilation: ☐ Adequate ☐ Limited (overheating possible)

2. 5G Cellular Connection

  1. Carrier: __________________
  2. Signal Strength (check router admin page/app):
    • RSRP: _______ dBm
    • RSRQ: _______ dB
    • SINR: _______ dB
  3. Current Connection: ☐ 5G mmWave ☐ 5G Mid-Band ☐ 5G Low-Band ☐ LTE/4G
  4. Is carrier aggregation active? ☐ Yes ☐ No ☐ Not Sure
  5. SIM card seated correctly? ☐ Yes ☐ No
  6. Any data caps or throttling from carrier? ☐ Yes ☐ No

3. Wi-Fi Network Details

  1. Active Bands: ☐ 2.4 GHz ☐ 5 GHz ☐ 6 GHz (Wi-Fi 6E)
  2. Separate SSIDs for each band? ☐ Yes ☐ No
  3. Security Mode: ☐ WPA3 ☐ WPA2 ☐ Other __________
  4. Approximate distance from device to router: _______ feet/meters
  5. Channel setting: ☐ Auto ☐ Manual – Channel #: _______
  6. Guest network enabled? ☐ Yes ☐ No

4. Device Load & Usage

  1. Total connected devices: _______
  2. Critical devices: ___________________________________________
  3. Any devices streaming or downloading heavily during slowdowns? ☐ Yes ☐ No
  4. Is QoS (Quality of Service) enabled? ☐ Yes ☐ No ☐ Not Sure

5. Performance Measurements (Fill in from tests)

Test TypeResultNotes
Idle Ping (ms)____________
Download Ping (ms)____________
Upload Ping (ms)____________
Download Speed____________Mbps
Upload Speed____________Mbps
Packet Loss (%)____________
Jitter (ms)____________

6. Interference & Environment

  1. Other nearby Wi-Fi networks on same channel? ☐ Yes ☐ No
  2. Nearby devices that could cause interference? (Microwave, cordless phones, etc.) ☐ Yes ☐ No
  3. Weather conditions affecting signal? ☐ Yes ☐ No
  4. Seasonal foliage or construction nearby? ☐ Yes ☐ No

7. Software & Firmware

  1. Router firmware up to date? ☐ Yes ☐ No
  2. Last firmware update date: __________________
  3. Have you restarted the router recently? ☐ Yes ☐ No
  4. Have you factory reset the router? ☐ Yes ☐ No – Date: ____________

8. Third-Party & Carrier Factors

  1. Carrier outage reported in area? ☐ Yes ☐ No
  2. Slowdowns only at certain times of day? ☐ Yes ☐ No – If yes, when: ____________
  3. Using VPN? ☐ Yes ☐ No – If yes, speed tested without it? ☐ Yes ☐ No