Telephone Wireless Intercom System

• Wireless communication: No need for wires or cables.
• Long range: Effective communication over 1000 meters in open areas.
• High-quality audio: Clear and crisp sound transmission.
• Expandable: Supports up to 99 handsets.
• Multiple applications: Suitable for homes, offices, and other settings.
• Easy to use: Simple interface with numbered buttons and indicator lights.
• Secure: Features coding, giving code, and ID setting functions.
• Versatile power options: Can be powered by DC5V or a Li-ion battery.

Technical Specifications:

• Frequency: 433MHz
• Air transfer rate: 256K
• Transmitting power: <18dBm
• Receive sensitivity: <-100
• Standby current: 3.5mA
• Work current: 400mA
• Communication distance: Over 1000 meters in open land