According to Taiwan NCC regulation of Administrative
Regulations on Low Power Radio Waves Radiated Devices:
Article 12
Without permission granted by the DGT, any company, enterprise, or
user is not allowed to change frequency, enhance transmitting power or
alter original characteristic as well as performance to a approved low
power radio-frequency devices.
Article 14
The low power radio-frequency devices shall not influence aircraft
security and interfere legal communications; If found, the user shall
cease operating immediately until no interference is achieved.
The said legal communications means radio communications is
operated in compliance with the Telecommunications Act.
The low power radio-frequency devices must be susceptible with the
interference from legal communications or ISM radio wave radiated
devices.