47-2150MHz 4SAT-IF + Territorial Signal Inputs 1550nm Satellite TV Transmitter. L Designed for satellite optical system. L Wide operating frequency range: 47-2150MHz. L Excellent linearity and flatness. L Using 1-core single-mode fiber, high return loss. L Build-in CWDM, using high linear PD. L Output connected to 5 IN series satellite multi-switch. L Build-in optical AGC function. L Red-LED for power indication. L Smaller size and easier installation.