7Semi 4G LTE Nano Modem EC200U based (No GPS)

7Semi
SKU
CM-10129

Provides cellular data connectivity and USB AT-command control for connected projects.

CM-10129 - 7Semi 4G LTE Nano Modem EC200U based (No GPS)
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39mm x 33mm x 6.73mm

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$29.00

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About this product

The 7Semi 4G LTE USB Nano Modem is a compact cellular communication board powered by the Quectel EC200U-CN LTE Cat 1 module. The modem supports LTE-FDD, LTE-TDD, and optional GSM/GPRS connectivity, delivering data rates up to 10 Mbps downlink and 5 Mbps uplink. It provides AT command control through USB and can also interface with external controllers.

Note -: This product supports only Micro USB not USB Type C

  • 4G LTE Cat 1bis: Up to 10 Mbps downlink and 5 Mbps uplink.
  • Multi-Band Connectivity: LTE-FDD B1/B3/B5/B8 and LTE-TDD B34/B38/B39/B40/B41.
  • Standalone USB Operation: Connect directly to a PC/laptop through Micro-USB for AT command communication.

Firmware Upgrade Procedure

Follow these steps when a firmware update is required:

  1. Install the required EC200U USB drivers on the PC.
  2. Connect the modem to the PC through Micro-USB.
  3. Open Device Manager and verify that the modem ports are detected.
  4. Open the module's AT command port and send AT+QDOWNLOAD=1.
  5. Check Device Manager for the SPRD U2S Diag port.
  6. Open QFlash.
  7. Select the detected SPRD U2S Diag port.
  8. Set the baud rate to 921600 bps.
  9. Browse and select the required .pac firmware file.
  10. Click Start and wait for the firmware upgrade to complete.
  11. Confirm that PASS is displayed in QFlash before disconnecting the modem.

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