feature:
It is suitable for FM walkie-talkie debugging.
Built-in 800Hz audio modulation, with analog and digital CTCSS function.
The unit is DBM. The sensitivity of the general hand is -120DBM to -130DBM.
The greater the sensitivity to negative numbers, the higher the sensitivity.
The signal source cannot input power.
It is absolutely forbidden to press the intercom button to transmit during the test. (Self-configured power supply 8V-12V power supply polarity positive and negative)

Specification:
Material: ABS
color: blue
Frequency: 0.5MHz-470MHz
Signal strength: -70-132dBm
Built-in 800Hz audio modulation
Add analog-digital CTCSS function
Use 8-12V DC power supply, frequency 7 digits
For example: 439.6000MHz displays 4396000KHz
Signal strength -70-132dBm is valid, other values ​​are invalid.
Audio modulation is only around 800Hz, other values ​​are invalid.
Item size: 155 * 120 * 63 mm/6.1 * 4.7 * 2.5 inches
Item Weight: 271g/9.6oz
Package size: 210 * 160 * 70mm / 8.3 * 6.3 * 2.8in
Package Weight: 303g/10.7oz

Test Methods:
When testing, the frequency of the signal source input transceiver is first set to -100DB or any value. The walkie-talkie has audio output, then reduce the output intensity of the audio source. For example -120DB, just heard the audio signal of the walkie-talkie, but there is noise. The audio signal just heard the -120DB value of this output is the receiving sensitivity of the radio.

packing list:
1 * 0.5MHz-470MHz FM radio RF signal generator