This satellite finder is very useful to track the clearest setting for the satellite you wish to tune to. It helps you know the strength of the signal clearly and helps you align satellite antenna to signal. The Audio signal gets louder at the best setting. It works with multiple dish systems. It is a useful satellite finder. - Model: SATLINK WS-6903 - Color: Silver + black - 2-digit LED display - Frequency: 950~2150MHz - Input level: -65~25dbm - Impedance: 75ohm - Working voltage: DC 13~18V - Working temperature: 0~40'C - Connect to your LNB and receiver to the satellite finder to track the clearest setting for the satellite you wish to tune to. - Meter with LED displayer helps you know the strength of the signal clearly - Meter with audio tone helps you align satellite antenna to signal. Audio signal gets louder at the best setting. - Works with multiple dish systems. - Close or open the audio tone - With four steps gain for the satellite signal you can increase or decrease the gain of the meter