The APVM-881 from Synergy Microwave Corporation is a Modulator with RF Frequency 869 to 894 MHz, RF Frequency 869 to 894 MHz, LO Frequency 869 to 894 MHz, IP3 30 dBm, Modulation/IF Power 10 dBm. Tags: Surface Mount. More details for APVM-881 can be seen below.