The 50PA-948 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 26 to 30 dBm, Insertion Loss 20 to 28 dB. Tags: Rack Mount, Full Fan Out. More details for 50PA-948 can be seen below.