ADD-ON COMPUTER PERIPHERALS, INC. SFP-FD-BX53TH-AO AddOn - SFP (mini-GBIC) transceiver module (equivalent to: MRV SFP-FD-BX53TH) - LC single-mode - up to 24.9 miles - OC-3 - 1310 (TX) / 1550 (RX) nm - TAA Compliant - for P/N: RDH10248/1-AO, SFP-25G-B