Signal 0.5MHz-470MHz RF Signal Meter For FM Radio - Debug Digital CTCSS Singal Output

The accuracy comparison between this signal source and profeional comprehensive measurement is basically the same. The accuracy is very high. Can test the actual receiving sensitivity of the -. Features: Suitable for FM - debugging. Built-in 800Hz audio modulation, with the og digital CTCSS function. The unit is DBM. General hand sensitivity is -120DBM to -130DBM. The greater the sensitivity to a negative number, the higher the sensitivity. The signal source cannot input power. It is absolutely forbidden to pre the on to transmit when testing. (self-matching power supply 8V-12V power supply polarity is positive and negative) Specifications: Material: ABS Color: blue Frequency: 0.5MHz-470MHz Signal strength: -70-132dBm Built-in 800Hz audio modulation Add the og digital CTCSS function Use 8-12V DC power supply, frequency 7 digits For example: 439.6000MHz shows 4396000KHz Signal strength -70-132dBm valid, other values are invalid. Audio modulation is only about 800Hz, other values are invalid. Item size: 155 * 120 * 63mm / 6.1 * 4.7 * 2.5in Item weight: 271g / 9.6ounce Package size: 210 * 160 * 70mm / 8.3 * 6.3 * 2.8in Package weight: 303g / 10.7ounce Test methods: During the test, the frequency of the signal source input is first set to -100DB or any value. The has audio output and then reduces the output strength of the source. For example, the -120DB just heard the audio signal but there was noise. The audio signal just hears that the -120DB value of this output is the receiving sensitivity of the radio. Package list: 1 * 0.5MHz-470MHz RF Signal for FM Radio

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