Administrative Regulations on the Controlled Telecommunications Radio-Frequency Devices Article 21

Under the circumstance that the different model number of devices are imported at one time by the same applicant, or setup permit, special program authorization document provided has different period of validity, import permits shall be applied for separately.An exception shall be CTRFDs listed in Article 19.1 for which import permits can be applied for together.
中文原文 電信管制射頻器材管理辦法第21條
同一申請人同一次輸入不同廠牌型號之電信管制射頻器材,或申請進口許可證所檢具之架設許可證或專案核准文件有效期間不同者,應分別申請進口許可證。
輸入第十九條第一項各款之電信管制射頻器材者,得合併申請進口許可證,不適用前項規定。

English translation for reference only; the Chinese text prevails. Not legal advice.