Inquiry about 433.92 MHz RF Key Finder Receiver Module NEW

We are a Germany-based hardware startup developing custom protective enclosures for location-tracking systems. We are looking for high-quality, neutral (unbranded) 433.92 MHz RF Key Finder hardware, specifically the receiver beepers of the model KF02E, which we understand you manufacture as an OEM/ODM factory. Our requirements: - Completely neutral, unbranded version: no third-party logos or branding on the casing or receivers. - Pilot batch: 20–30 sets from current stock for field tests. Please quote total price including Air Express DDP shipping to Berlin, Germany. - Mass production: target FOB/EXW unit price and lead time for 1,000–3,000 units. - Technical details: datasheet, outer dimensions (mm), and PCB measurements so our engineering team can align our 3D casing models. - Certifications: valid European CE and RoHS. We are ready to pay immediately via Alibaba Trade Assurance, PayPal Business, or Bank Wire Transfer. We look forward to a long-term partnership.