OA 400 series mini preamp EDFA module

OA 400 series mini preamp EDFA module over 1529.2nm - 1564.2nm, 4dBm output. JDS model: OAA-04U0400CA.
 
Low Noise Figure if use it as pre-amplifier at -17dBm input. With SC/UPC connector at input fiber, SC/APC connector at the output fiber. See general datasheet and pinout info at the 1st pdf link below.