Ẹrọ naa jẹ ohun elo silikoni avalanche photodiode module pẹlu awọn iwọn kanna mẹrin, pẹlu Circuit preamplifier ti a ṣe sinu, eyiti o le mu ifihan agbara lọwọlọwọ pọ si ki o yipada si iṣelọpọ ifihan agbara foliteji, ni mimọ ilana iyipada “optical-electrical-signal amplification”.