Signal meter for RV over-the-air TV antenna. Connects in-line with your antenna. Variable sensitivity adjustment to work with TV towers both near and far. DVB-T TV Antenna Signal Finder Meter with analog pointer for convenient signal location. Frequency range: 170–862 MHz Certification: RoHS, CE Measurement accuracy: –40 to –10 dBm Input level range: 65–95 dBµV Power supply: 9 V DC or 6× AA batteries (not included) 1. Connect the antenna cable to the left F-type female connector and the battery pack cable to the right F-type female connector. Remove any external amplifier connected to the antenna. 2. Adjust the antenna position while observing the meter reading. A higher reading indicates a stronger signal. If the reading reaches full scale, adjust the level control knob clockwise to reduce the reading to approximately 5. Continue adjusting the antenna position until the highest possible stable reading is achieved. 3. After locating the optimal signal, disconnect the signal finder and reconnect any previously removed amplifier. Color: Blue + silver Material: Plastic + metal Dimensions: 100 × 35 × 65 mm Package contents: 1 × digital signal finder 1 × English user manual Note: Color appearance may vary slightly due to lighting conditions and screen settings. Measurement tolerance: ±1–3 cm.