This device connects directly to the KD8003 series receiver, offering users convenient and efficient communication. Key features of this module include:

- Audio transmission to hearing aids via a built-in antenna, ensuring clear and seamless communication.

- Simple connection to the KD8003 series receiver, simplifying system installation and configuration. - Device status indicators that indicate incoming calls, door opening, and two-way audio activation.

Technical specifications: - Operating system: Embedded operating system. - Processor: Embedded microcontroller (MCU). - Audio parameters: 4Ω impedance, frequency range from 100Hz to 3800Hz, and a signal-to-noise ratio of at least 47dB at 10cm.

- Device interfaces: RS-485 (2x for modular connections) and power supply interface (2x for modular connections). - Mounting: Suitable for flush and surface mounting.

- Indicators: 4 (incoming call, door opening, two-way audio and PMR). - Weight: with packaging 300 g, without packaging 168.5 g. - Protection level: IP65.

- Operating temperature range: -40°C to 55°C (-40°F to 131°F). - Operating humidity: 10% to 90%. - Dimensions: 98.5 mm × 100 mm × 33.7 mm (3.87" × 3.95" × 1.33").

- Power consumption:

maximum 4 W, 6 W or 8 W (optional). Hikvision DS-KD-PMR(O-STD) is the ideal solution for access control systems that require reliable and trouble-free voice communication.

Thanks to its advanced functions and robust design, this module ensures convenience of use and high-quality audio transmission even in harsh outdoor conditions.