Features:
Suitable for FM walkie-talkie debugging.
Built-in 800Hz audio modulation, with analog digital CTCSS function.
The unit is DBM. The for general sensitivity is -120DBM to -130DBM.
The closer the sensitivity is to a negative number, the higher the sensitivity.
The signal source cannot be input with power.
It is strictly forbidden to press the intercom button to transmit during the test. (The polarity of the self-assembled power supply 8V-12V power supply is positive and negative)
The accuracy of this signal source is basically consistent with the professional comprehensive measurement results. The accuracy is very high. The actual receiving sensitivity of the walkie-talkie can be tested.
Specifications:
Part Name: Intercom Signal Generator
Material: ABS
Color: Blue
Frequency: 0.5MHz-470MHz
Signal Strength: -70-132dBm
Maximum Sensitivity: -70dbm
Built-in 800Hz audio modulation
Add analog digital CTCSS function
Use 8-12V DC power supply, frequency 7-digit display
For example: 439.6000MHz means 4396000KHz
Signal Strength -70-132dBm is valid, other values are invalid.
Audio modulation is only for 800Hz, other values are invalid.
Dimensions: 155 * 120 * 63mm / 6.1 * 4.7 * 2.5in
Product weight: 271g / 9.6oz
Packaging size: 210 * 160 * 70mm / 8.3 * 6.3 * 2.8in
Packaging weight: 303g / 10.7oz
Test way:
During the test, first set the frequency of the signal source input to the transceiver to -100DB or any value. The intercom has audio output, and then reduce the output strength of the signal source. For example, -120DB just hears the intercom audio signal, but there is noise. The audio signal is just heard, and the -120DB value of this output is the receiving sensitivity of the intercom.
Package Contents：
1 * 0.5MHz-470MHz FM radio RF signal generator
Note:
1. Power cord is not included.
2. The signal generator tester is designed for testing the sensitivity of walkie-talkies, not for testing the sensitivity of FM radios. It has a narrowband FM mode that is different from the radio.
