RL-9909 Two-Way Window Intercom System for Counter

The RL-9909 Two-Way Window Intercom System is a professional communication solution designed for clear, hands-free interaction across glass partitions in high-traffic and secure environments. Ideal for banks, hospitals, ticket counters, and service desks, this system delivers reliable full-duplex communication with advanced noise reduction and echo suppression. Built for durability and ease of use, the RL-9909 ensures seamless conversations between staff and customers while maintaining security, efficiency, and audio clarity in busy environments.

Product Features

Full-Duplex Two-Way Communication

The RL-9909 supports simultaneous two-way communication, allowing both parties to speak and hear each other naturally without pressing buttons. This hands-free functionality improves efficiency and user experience in fast-paced service environments.

High-Sensitivity Microphone with Noise Reduction

Equipped with a gooseneck microphone and advanced noise reduction technology, the system ensures clear voice transmission even in noisy surroundings. Directional audio capture minimizes background interference.

Independent Volume Control for Precise Adjustment

Separate volume controls for internal and external units allow users to fine-tune sound levels independently. This ensures optimal clarity for both staff and customers regardless of ambient noise levels.

Advanced DSP Audio Processing and Echo Suppression

The intercom uses a digital signal processing chip to reduce echo, eliminate feedback, and prevent howling. This ensures stable and distortion-free communication even at higher volume levels.

Recording Output for Security Monitoring

A built-in 3.5 mm recording jack enables connection to external recording devices such as DVR systems or voice recorders. This supports transaction monitoring and enhances security compliance.

Durable Construction for High-Traffic Environments

Designed with a strong aluminum alloy or ABS housing, the RL-9909 is built for long-term use in demanding environments such as financial institutions and healthcare facilities.

Easy Installation with Flexible Mounting Options

The system supports desktop placement for the main unit and adhesive mounting for the external unit. The plug-and-play setup ensures quick installation without complex configuration.

LED Status Indicators for Operational Awareness

Integrated LED indicators provide visual feedback on system status, helping users easily identify when the intercom is active and ready for communication.

Enhanced Audio Performance for Noisy Environments

Advanced models support higher speaker output up to 5W, making the system suitable for locations with significant background noise such as busy counters and public service areas.

Product Specifications

• Product Name: RL-9909 Two-Way Window Intercom System
• Communication Type: Full-duplex hands-free intercom
• Working Voltage: DC 9V / 0.5A or DC 12V
• Input Voltage: AC 110V – 240V (universal adapter)
• Speaker Output: 2W to 5W (depending on model)
• Frequency Response: 100 Hz – 15 kHz
• Microphone Sensitivity: -48 dB ± 2 dB
• Microphone Range (Internal): 20 Hz – 20 kHz
• Microphone Range (External): 20 Hz – 16 kHz
• Audio Processing: DSP-based echo cancellation and anti-feedback system
• Recording Output: 3.5 mm audio jack
• Cable Length: Approx. 160 cm (extendable)
• Main Unit Dimensions: 158 x 87 x 46 mm
• External Unit Dimensions: 91 mm diameter x 23 mm height
• Weight: Approx. 335 g (main unit), 613 g total package
• Material: Aluminum alloy or ABS plastic
• Installation: Desktop (main unit), adhesive mount (external unit)
• Operation Mode: Voice-activated, hands-free
• Indicators: LED status lights