0.5MHz-470MHz RF Signal Generator For FM Walkie Debugging

The 0.5MHz-470MHz RF Signal Generator for FM Walkie Debugging is a compact, precise tool designed to simplify RF testing and walkie‑talkie maintenance. This blue ABS unit delivers a wide 0.5MHz to 470MHz signal range, enabling accurate debugging of FM radios and their audio paths. Built with high sensitivity in mind, it offers a -70 to -132 dBm signal strength range and a 7‑digit frequency display for clear, realistic measurements. The device includes built-in 800 Hz audio modulation and an analog/digital CTCSS function to reproduce real-world signaling, helping you verify one‑way and two‑way communications under typical operating conditions. The accuracy is designed to be on par with professional measurement sources, giving you reliable results for routine testing and troubleshooting. Safety note: the signal generator does not provide power to the unit under test. Use an external 8–12V DC power supply with correct polarity, and never press the intercom (PTT) button to transmit during testing. Certificate CE, made in Mainland China by meterk.

Benefits & Tips

• Quickly verify FM walkie‑talkie receiver sensitivity by progressively lowering the signal strength from the generator and observing the radio’s audio output.
• Use the built‑in 800 Hz audio modulation and CTCSS to simulate real conversations and tone signaling, helping you calibrate squelch, tone search, and channel access.
• Check frequency accuracy and channel behavior with the 7‑digit frequency display. For example, 439.6000 MHz appears as 4396000 KHz, making setup straightforward.

Product specifications

• Brand: meterk
• Model Number: RF Signal Generator
• Origin: Mainland China
• Certification: CE
• Color: Blue
• Material: ABS
• Frequency: 0.5MHz‑470MHz
• Signal strength: -70 to -132 dBm
• Audio modulation: Built‑in 800 Hz modulation
• CTCSS: Analog/digital function
• Power supply: 8–12V DC (external required; polarity correct)
• Display: 2.9 inches & Under, 7‑digit frequency display
• Dimensions (L×W×H): 155 × 120 × 63 mm (6.1 × 4.7 × 2.5 in)
• Weight: 271 g (9.6 oz)
• Package size: 210 × 160 × 70 mm (8.3 × 6.3 × 2.8 in)
• Package weight: 303 g (10.7 oz)
• Display details: Frequency shown in MHz with 7 digits for full MHz precision
• Note: Frequency example: 439.6000 MHz is shown as 4396000 KHz

Package includes:

• 1 × 0.5MHz‑470MHz Signal Generator for FM Radio

Warnings / Reminders

• The signal generator cannot input power to the device under test — use a separate power supply for the radio being tested.
• During testing, do not press the intercom/PTT button to transmit.
• Use an 8–12V DC power supply with correct polarity (positive and negative) for the unit.

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