Mikrotik: D-Link DWM-222

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Revision as of 22:02, 15 September 2017 by Lukas Dzunko (talk | contribs)

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Overview

DWM-222 is 4G/LTE USB modem by D-Link. This article contain configuration details and test results. USB modem was tested connected to Mikrotik RB951G-2HnD with RouterOS version v6.40.1 (stable).

Modem capabilities

  • Broadband Wireless Support:
    • LTE/DC-HSPA+/HSPA/WCDMA
    • GSM/GPRS/EDGE
  • Radio Frequency Bands:
    • LTE @ 2600/1800/800 MHz
    • UMTS @ 2100/900 MHh
    • Quadband GSM/GPRS/EDGE
  • Data Rate:
    • LTE: 3GPP Rel-9 FDD-LTE Cat.4
      • Downlink: Up to 150 Mbps
      • Uplink: Up to 50 Mbps
    • DC-HSPA+
      • Downlink: Up to 42 Mbps
      • Uplink: Up to 5.76 Mbps

Visual indication (Status LED):

  • Red (blinking): No SIM Card / No Service (or searching for service) / General Error condition
  • Purple (blinking): Connected to 2G (GPRS/EDGE) network
  • Blue (blinking): Connected to 3G (UTMS/HSPA/HSPA+)network
  • Green (blinking): Connected to 4G (LTE) network

Note: Apparently keep alive of modem is indicated by blinking of status LED. When this status LED turn solid then it was most of the time host disconnect or firmware error/crash. Color remain as "last used" and did not switch to red. You can get modem out of this state for example by power cycling power -> /system routerboard usb power-reset duration=10s

Configuration

General configuration