Enhance communication efficiency with this advanced Wireless Calling System, designed to provide stable radio frequency wireless technology and a long wireless receiving distance. Crafted from durable ABS material, this system supports up to 400 pagers, compatible with both single key and 4-key pagers, offering customizable call button labels and flexible display modes including single or list view. Ideal for a wide range of environments such as homes, hotels, bars, restaurants, factories, workshops, tea houses, clubs, hospitals, and offices. Key Features: · Reliable Radio Frequency Wireless Technology: Operates at 433.92MHz with ASK modulation, ensuring a stable connection and extended wireless receiving distance over 200 meters. · Large Pager Capacity: Supports up to 400 pagers, compatible with single key or 4-key pagers, allowing efficient management of calls and orders. · Customizable Call Buttons: Call buttons can be named starting with letters A to F, with adjustable call button words for personalized communication. · Multifunctional Display Receiver: Shows time, month, and day; offers 30-level numerical volume control for optimal sound adjustment. · Advanced Microprocessing Chip: Ensures stable, reliable performance with efficient decoding via learning code technology. · Durable and Waterproof Design: Both display receiver and button launcher feature IPX4 waterproof rating, suitable for various working environments. · Long Battery Life and High Durability: Button launcher powered by two built-in CR2016 batteries (included) with up to 1,000,000 keystrokes, standby current less than 1µA, and emission current around 10mA±3mA. · Wide Application Range: Perfect for use in hospitality, healthcare, manufacturing, recreational venues, and office settings, improving service speed and communication accuracy. Specifications: Display Receiver Parameters: · Operating Frequency: 433.92MHz · Working Current: <130mA · Standby Current: <550mA · Modulation Method: ASK · Receive Sensitivity: Better Than -105dB · Decoding: Learning Code · Waterproof Grade: IPX4 · Working Temperature: -20℃ to 60℃ Button Launcher Parameters: · Operating Frequency: 433.92MHz · Battery: 2 x Built-in CR2016 Button Batteries (Included) · Battery Capacity: 80mAh · Emission Current: 10mA ± 3mA · Standby Current: <1µA · Open Distance: >200m · Keystrokes: 1,000,000 Times · Waterproof Grade: IPX4 · Working Temperature: -20℃ to 55℃ · Four Keys: Call, Checkout, Order, Cancel Package Includes: · 1 x Wireless Calling System This Wireless Calling System combines advanced technology with user-friendly features, making it an essential tool for enhancing communication efficiency and service quality in diverse professional and commercial settings.