LOOPBACK-QSFP28-3.5 Attenuation (3.5dB) 100G QSFP28 Electrical Passive Testing Loopback Module
F-tone LOOPBACK-QSFP28-3.5 100G QSFP28 test loopback module, 3.5dB attenuation, used to simulate device connection in network test without data transmission.