1. Low-power RF motors operating at frequencies from 9 kHz to 300 GHz, such as wireless network (WLAN) products (including IEEE 802.11a/b/g), UNII, Bluetooth products, RFID, ZigBee, wireless keyboards, wireless mice , wireless headset microphone, radio, radio remote control toys, various radio remote controls, all kinds of wireless anti-theft devices.

2. Public switched telephone network equipment (PSTN) products, such as wired telephones (including VOIP Internet telephony), automatic alarm equipment, telephone answering machines, fax machines, remote control devices, wired telephone wireless main and auxiliary machines, and key telephone systems , data equipment (including ADSL equipment), incoming display terminal equipment, 2.4GHz radio frequency telecommunications terminal equipment.

3. Land Mobile Communication Network Equipment (PLMN) products, such as wireless broadband access mobile station equipment (WiMAX mobile terminal equipment), GSM 900/DCS 1800 mobile telephones and terminal equipment (2G mobile phones), third generation mobile communication terminals Equipment (3G mobile phone), etc.