0.5Mhz-470Mhz RF Signal Generator Meter Tester for FM Radio Walkie-Talkie Debug

0.5Mhz-470Mhz RF Signal Generator Meter Tester for FM Radio Walkie-Talkie Debug ? Descriptions: ? - For FM walkie-talkie debugging - Frequency 0.5M --- 470M - Signal strength -70--132dBm - Built-in 800Hz tone modulation - Use 8--12V DC power supply - Frequency 7 digits Example: 439012.5KHZ display 4390125 - Signal strength -70--132dBm effective other value is invalid - Value direct input selection item: the number keys - Numerical stepping modify the selection of project: arrow keys ? Audio modulation just about 800Hz other value is invalid: F1: cycling setting item,pointing to the selected item,respectively,frequency,signal strength,audio modulation frequency F2: backspace key input of an error F3: closed,open signal output F4: closed,open audio signal modulation
? ? Package Includes: ? 1 x 0.5Mhz-470Mhz RF Signal Generator Meter Tester ? Detail Pictures: ?