SWR Meter 3 To 30MHz 100W Standing Wave LED RF Meter M Port
Meet the SWR Meter 3 To 30MHz 100W Standing Wave LED RF Meter M Port — a compact, field-ready tool for quick, battery-free SWR checks on shortwave and amateur radio setups. Powered by RF-tapped power, it has no batteries and slips easily into your gear bag. Five LED indicators provide color-coded SWR feedback across 3-30MHz, helping you tune and optimize your antenna quickly. The device is designed for simple operation: connect IN to your radio's RF output and OUT to the antenna; no calibration is required for use in the shortwave range. Whether you're in the field, on-air, or building DIY setups, this meter keeps you informed about SWR, so you can improve signal quality and reliability.
Benefits & Tips
- Field-ready, battery-free — compact, lightweight design powered by RF-tapped power for quick SWR checks wherever you operate.
- Clear LED indication — five LEDs with color-coded ranges show SWR strength at a glance, helping you fine-tune antennas and improve transmission quality.
- Easy, calibration-free use — plug IN to the radio, OUT to the antenna. Works in the 3–30 MHz band with no adjustments needed.
Product specifications
- Name: SWR Meter
- Brand: meterk
- Model: 3-30M SWR
- Type: Standing Wave Meter
- Material: Metal
- Using frequency: 3–30 MHz
- Maximum power: Not more than 100 W
- Insertion Loss: <0.3 dBV
- SWR: <1.2
- Interface: M female
- Item size: 25 × 25 × 50 mm (excluding M base)
- Package size: 80 × 30 × 50 mm
- Package weight: 85 g
- Origin: Mainland China
- Certification: CE
- Note: IN is RF input and OUT is RF output; five LEDs indicate SWR levels; no calibration required for the shortwave range.
Package includes:
- 1 × SWR Meter
Warnings / Reminders
- Do not exceed input power of 100 W.
- IN connects to the radio's RF output and OUT to the antenna.
- No calibration is required for operation in the 3–30 MHz range.
- Keep device dry and handle with care; avoid moisture and physical shocks.
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Please note: All electronic and mechanical equipment, devices and machines sold to EU countries are CE certified and carry a two year warranty.