IP68 Subsea Beidou Short Message Antenna & Multi-Frequency Beacon Antenna for Rov. Integrated Beidou & Beacon: Combines Beidou Short Message communication with multi-frequency beacon signaling in one unit. Deep-Sea Pressure Resistance: Engineered to operate reliably at depths of 100m, 300m, and 500m with reinforced structure. Marine-Grade Materials: Constructed with 316L Stainless Steel and high-density POM for superior corrosion resistance. IP68 Waterproof Rating: Fully waterproof design ensuring protection against dust and submersion in harsh marine environments. Customizable Signal Support: Supports Beidou B1/S and GPS L1 bands with options for custom frequency band modifications. OEM/ODM Services: Offers full customization including connectors, cable lengths, and frequency bands for specific projects. Point-to-Point Communication: Enables direct satellite communication without base stations, reducing costs and improving efficiency. Rigorous Quality Testing: Every unit undergoes hydrostatic pressure testing and precise RF signal calibration before shipment.