1. RF microwave receiver down conversion 2. Internal dual balanced microwave diode composition, high reliability 3. High conversion efficiency: 8.5 dB loss 4. High isolation between local oscillator and RF input: 25 dB Technical specifications: 1. Power supply: Passive mixer (no power supply required) 2. RF input frequency range: 4.5–9.0 GHz 3. IF output frequency range: DC–2.5 GHz 4. Frequency conversion loss: 8.5 dB 5. Noise figure: 8.5 dB (SSB) 6. Local oscillator input power: 13 dBm 7. Port isolation:  Local oscillator to RF: 25 dB (typical)  Local oscillator to IF: 25 dB (typical) 8. Input third-order intercept point (IIP3): 21 dBm 9. Input 1 dB compression point (P1dB): 10 dBm 10. Connector type: Standard SMA female Usage instructions: 1. RF input: RFin port 2. Local oscillator input: LOin port (recommended signal strength: +13 dBm) 3. Intermediate frequency output: IFout port 4. Power supply: This mixer is a passive device and does not require external power Absolute maximum ratings (exceeding these values may cause permanent damage): • Maximum RF input power: 13 dBm • Maximum local oscillator input power: 27 dBm (0.5 W) Note: Installation guide not included. Professional installation is recommended. Please verify all specifications to ensure compatibility with your application. Product design and appearance may vary slightly between production batches; such variations do not affect performance. Color: As shown in image Material: PCB Package contents: 1 × RF Mixer Module Note: Color representation may vary due to lighting conditions and display settings. Tolerances for dimensional measurements: ±1–3 cm.