http://www.jinstartech.com/

General Attributes:

Thorlabs RXM15EF very good price

RXM15EF

Multimode,DC to 15 GHz,750 - 1650 nm

• Models Cover Wavelengths from 700 nm to 1650 nm
• Internal Multimode or Single Mode Fiber with FC/PC Connector
• Maximum Bandwidth from 10 GHz to 42 GHz
• Integrated Photodiode and Low-Noise Transimpedance Amplifier

Features

• Hermetically Sealed GaAs or InGaAs Amplified Detector Module
• Three Internal Fiber Options:
  • OM4 (Ø50 µm Core) Multimode Fiber
  • OM1 (Ø62.5 µm Core) Multimode Fiber (Item # RXM15EF)
  • SMF-28 Single Mode Fiber
• AC-Coupled RF Output Signal(s) via 2.92 mm (K) Connector(s)
  • Non-Inverting Output on 10 GHz RXM Series Photoreceivers
  • Differential Outputs on 25 GHz, 33 GHz, 38 GHz, 40 GHz, and 42 GHz RXM Series Photoreceivers
• DC-Coupled, Inverting RF Output Signal via SMA Connector (Item # RXM15EF)
• Built-In DC Photocurrent Monitor
  • Digital Output Sent to Display
  • Analog Output via SMA Connector
• Replacement Power Supply Available
• Packaged Instrument Versions of Our OEM Module Photoreceivers

The RXM Series of Ultrafast Receivers includes multimode and single mode fiber-coupled photoreceivers with wide wavelength ranges. The core element of each receiver is a fiber-coupled, hermetically sealed microwave detector module. For convenience and simplicity of use, the module is mounted inside a rugged aluminum housing that includes current monitor circuitry and a digital display of the DC photocurrent.