1The generator shell is made of ABS material, which can resist oxidation and corrosion and increase the service life. 2Increase the analog sub-tone digital sub-tone function, strong anti-interference ability, signal transmission is not interfered. 3Small in size and light in weight, it can be operated with one hand, allowing the operator to reduce wrist fatigue. 4The audio generator module is integrally formed with a glossy shell without burrs and smoothly installation. 5Widely used in aviation, wireless communication, automotive electronics, manufacturing and other fields. Item Type: Signal GeneratorMaterial: ABSFrequency: 0.5MHZ470MHZSignal Strength: -70-132dBmBuilt-in 800Hz audio modulationThe new model adds analog sub-tone digital sub-tone function.Use 8--12V DC power supply 1 x RF Signal Generator1 x Bracket1 x User Manual 1. The frequency is 7 digits, such as 439.6000MHZ will display 4396000KHZ2. Signal strength 70132dBm is valid, other values are invalid3. Audio modulation is about 800Hz, other values are invalid4. Please note that the colors of the buttons will be sent randomly, and make sure you will not mind before ordering.