NJRC NJS8487SN C-Band PLL LNB L.O. Stability: ±15 kHz New Japan Radio has been the premier manufacturer of quality LNBs for years. The NJS8487SN PLL LNB is intended for satellite data communication downlink application in 3.625 to 4.20 GHz / C-Band Input Frequency: 3.625 to 4.20 GHz. L.O. Stability: ±15 kHz. Noise Temperature: 15° K. typical 30° max Output Connector: Type N female.