The 50PA-842 from JFW Industries is a Handover Test System with AC Supply Voltage 100-240 VAC @ 47-63 Hz, Attenuation 0 to 95 dB, Frequency 500 MHz to 6 GHz, Input Power 30 to 36 dBm, Insertion Loss 33 to 44 dB. Tags: Rack Mount, Full Fan Out. More details for 50PA-842 can be seen below.