What is the Sandstone EFAW1B143SA01A-ST?
The Sandstone EFAW1B143SA01A-ST is a network/telecom equipment component, listed by the manufacturer as "W-series Booster EDFA – 1529 ~ 1564nm, input power - 10 - 5dBm, signal gain 13 - 18dB, total output power 3 - 18dBm, max. gain flatness 0.85dB. typ. NF 6.0dB, SNMP, SC/PC connector (Please refer to EFAW1B143SA01A_v0.1 for detail spec.)". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.