Our Products Telephone Series (PR) Telephone Adapter (PRC) Telephone Adapter (PRC) Photo Series Product Name Download Product Info. PRC01 Telephone Adapter (PRC) PRC02 Telephone Adapter (PRC) PRC03 Telephone Adapter (PRC) PRC04 Telephone Adapter (PRC) PRC05 Telephone Adapter (PRC) PRC06 Telephone Adapter (PRC) PRC07 Telephone Adapter (PRC) PRC08 Telephone Adapter (PRC) PRC09 Telephone Adapter (PRC) PRC10 Telephone Adapter (PRC) PRC11 Telephone Adapter (PRC) PRC12 Telephone Adapter (PRC)