Inline EDFA card, Ciena P/N: ILA-2, 130-6310-200 Rev. 003.
Optical line amplifier with mid-stage access. With EDFA module: EDFA-GW-LA-402518-VOA., CIENA P/N: 299-7600-002. Only gain ripple slightly larger than specification, see manufacture test report at pdf link below.
$800.00Price