Features FREQUENCY AND SIGNAL STRENGTH: Radio signal generator has the frequency of 0.5M to 470MHz and the signal strength is of -70 to 132dBm. MODULATION PROVIDING: Radio signal generator provides modulation including amplitude modulation (AM), frequency modulation (FM), phase modulation (PM) and pulse modulation. PRACTICAL AND STABLE: FM radio intercom signal generator is practical and stable, which can improve your working efficiency. WIDE APPLICATION: Signal generator can be widely used in aerospace, wireless communication, automotive electronics, manufacturing, education and teaching fields. MADE OF ABS MATERIAL: Meter tester signal generator is made of ABS material with excellent workmanship and can be longer term use. Specification: Item Type: Signal Generator Material: ABS Frequency: 0.5M to 470MHz Signal Strength: -70 to 132dBm Built In: 800Hz Toning Modulation Use: 12VDC Power Supply Frequency 7 Digit Example: 439012.5KHZ Display 4390125 Package List:1 x Signal Generator 1 x Power Cord Package List 1 x Signal Generator 1 x Power Cord