The ZMQ-1050 from Mini Circuits is a Modulator with RF Frequency 800 MHz to 1.05 GHz, RF Frequency 800 MHz to 1.05 GHz, P1dB 4 dBm (Input), Amplitude Balance 0.46 to 1 dB, Phase Balance ±3 to ±7 Degrees. Tags: Module with Connectors. More details for ZMQ-1050 can be seen below.