The TMAT21X23B68-31-43 | E14R00P04 from CommScope is a Tower Mount Amplifier with Frequency 1.695 to 2.36 GHz, Power 200 W, Current 210 mA, Voltage 10 to 30 V, Frequency TX 2.11 to 2.36 GHz. Tags: Module with Connectors. More details for TMAT21X23B68-31-43 | E14R00P04 can be seen below.