The official website of Huawei has listed another data card, EC176 without any tag price.

Huawei EC176 CDMA Data Card
Huawei EC176 CDMA Data Card

According to the Huawei, the OEM of data card, EC176 USB Stick is a wireless network terminal based on the CDMA2000 1x and the CDMA2000 1x EV-DO Rev. A protocols. In addition to SMS, the EC176 provides high-rate packet data services, supporting wireless downloading speed up to 3.1Mbit/s and uploading speed as high as 1.8Mbit/s.

The EC176 features 3G CDMA2000 1X EV-DO REV.A and 2G CDMA2000 1X RTT networks; has built with a memory card slot, can be upgraded up to 16GB via an external microSD card.

The EC176 comes with built-in antenna, does not support external antenna to enhance the network, supports receive diversity. It can be operated with all major OS; including Windows XP SP2/SP3, Windows Vista SP1/SP2, Windows 7, Mac OS X 10.5 and 10.6 , 10.7 with latest upgrades.

If the device comes with unlocked firmware, then it can be unlocked for free with CDMA workshop steps, as presently there is no another firmware update is available for EC176 data card.

The key features and specifications of EC176 3G CDMA :

  1. High-rate network access
  2. Standard USB interface, easy operation
  3. Strong compatibility
  4. Auto installation
  5. Micro Secure Digital Memory (microSD) Card
  6. Network Driver Interface Specification (NDIS)
  7. Supports 800MHz/1900MHz frequency band
  8. Supports the CDMA2000 1x standard
  9. Supports the CDMA2000 1x EV-DO Rev. A standard
  10. Supports receiving diversity
  11. Supports auto installing the management program
  12. Supports R-UIM/ROM-UIM
  13. Supports messaging
  14. Supporting high-rate packet data services
  15. Phonebook
  16. Support Windows XP SP2/SP3, Windows Vista SP1/SP2, Windows 7; Mac OS X 10.5 and 10.6 , 10.7 with latest upgrades


  1. Hello. kindly help me to unblock huawei router model b681 -24. and huawei modem model EC176.
    Paul from kenya


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