The Keysight 8349X series of plug-in receiver modules cover the three most popular transmission media in use today - electrical lines, multimode fiber and single-mode fiber. A built-in coupler/splitter reduces external hardware required for triggering. No more need for awkward cables just to get a trigger - simply plug in your test signal, select your data rate, and make your measurements. Features Wavelength range: 1200-1600 nm Data rates: 0.155/0.622/1.250/2.488/2.500 Gb/s PLL bandwidth: 50 to 70 kHz (internal triggering), 4 to 5 MHz (external output) Input power: -20 to +3 dBm