A.4個(gè) B.3個(gè) C.2個(gè) D.1個(gè)
A.458.575Mhz B.459.575Mhz C.459.585Mhz D.459.565Mhz
A.1V±0.2V B.1V±1.0V C.1V±1.5V D.1V±2.0V