The RTLWB-4-750 from Radar Technology is a DLVA with Frequency 600 to 900 MHz, Dynamic Range 60 dB, Input Power -60 to 0 dBm, Supply Voltage 15 VDC, Operating Temperature -30 to 71 Degree C. Tags: Module with Connector, DLVA. More details for RTLWB-4-750 can be seen below.