The LVD-218-50SF (Option 0518) from American Microwave Corporation is a DLVA with Frequency 0.5 to 18 GHz, TSS -40 dBm, Dynamic Range -40 to 5 dBm, Input Power 15 dBm, Supply Voltage -12 to 12 V. Tags: Module with Connector, DLVA. More details for LVD-218-50SF (Option 0518) can be seen below.