... Product Description:SOR 703 two-way optical receiver is one economic, mid-ranged optical receiver.It is used in bi-directional HFC ... , latest and highest index ,imported ,power doubled, amplify module or GaAs amplify module. Nonlinear index good, output level steady. Plug-in duplex ... supply mode: 2-----220v or 60v can be chosen 7.Module type: MB--Motorola,CC-Made in China, PB-- Used Philips ...