RL-9908 Two-Way Window Intercom System for Counter

A professional counter communication system designed for clear two-way voice communication through glass or security barriers, commonly used in banks, hospitals, stations, and service counters.

Specifications

• Brand/Model/Color: RL-9908, Black/Silver (varies by unit)
• Device type: Two-way window intercom / counter communication system
• Application: Security counters, bank windows, hospital desks, ticket stations
• Communication type: Full duplex dual-way intercom (simultaneous talk & listen)
• Audio features: Noise reduction, anti-interference design, clear natural voice transmission
• Recording: Audio record jack support for external recording
• Main unit material: Aluminum alloy housing
• External unit: Built-in speaker module (compact design)
• Microphone sensitivity: Inside -48 dB (20Hz–20KHz), Outside -48 dB (20Hz–16KHz)
• Speaker power: 2W output (main/sub unit)
• Frequency response: 100Hz–15KHz (speaker), 20Hz–20KHz microphone range
• Controls: Independent volume knobs for inside and outside audio levels
• Status indicator: LED lamp shows working/audio status
• Power input: AC 110–240V, DC 9V/0.5A adapter
• Cable length: 160 cm
• Installation: Plug-and-play setup, easy DIY installation
• Operation: Hands-free communication without push-to-talk button
• Dimensions: Main unit 158 × 87 × 46 mm, external unit 91 mm diameter × 23 mm height
• Key highlights: Dual-way communication, clear voice transmission, anti-noise performance, simple volume control, suitable for secure counter environments
• Use case: Banks, hospitals, government offices, ticket booths, reception counters, security glass partitions