The SHR-BDC-1950 from Shireen, Inc is a Low Noise Block with RF/Input Frequency 1950 to 3900 MHz, Output Frequency DC to 1950 MHz, LO Frequency 1950 MHz, Gain -3 to 7 dB (Conversion Gain), Noise Figure 5 dB. More details for SHR-BDC-1950 can be seen below.