The ATM700D-VA20 from Radio Frequency Systems is a Tower Mount Amplifier with Frequency 746 to 787 MHz, Power 250 to 4000 W, IP3 26 dBm, Voltage 10 to 30 V, Frequency TX 777 to 787 MHz. Tags: Module with Connectors. More details for ATM700D-VA20 can be seen below.