EXHIBIT 8.1

SUBSIDIARIES* OF THE REGISTRANT

Techfaith Wireless Communication Technology (Beijing) Limited, a PRC company

One Net Entertainment Limited, a PRC company

Techfaith Wireless Communication Technology (Shanghai) Limited, a PRC company

STEP Technologies (Beijing) Co., Ltd., a PRC company

Techfaith Intelligent Handset Technology (Beijing) Limited, a PRC company

TechFaith Software (China) Limited, a PRC company

Techfaith Wireless Communication Technology (Hangzhou) Limited, a PRC company

Techfaith Wireless Communication Technology (Shenyang) Limited, a PRC company

Techfaith Intelligent Handset Technology (Hong Kong) Limited, registered in Hong Kong

Techfaith Wireless Technology Group Limited, a BVI company

*    Insignificant subsidiaries are omitted.