Holtek Semiconductor
CAS Tone Detector
Holtek Semiconductor
Call Progress Tone Decoder & ABR Controller
Holtek Semiconductor
RF single chip for cordless phone
Holtek Semiconductor
Call Progress Tone Decoder & ABR Controller
Holtek Semiconductor
Calling Line Identification Receiver
Holtek Semiconductor
Calling Line Identification Receiver
Holtek Semiconductor
Call Progress Tone Decoder & ABR Controller
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