GY-T4M Wireless Intercom Telephone System – 1000m Range, 999 Users, 30-Day Battery

The GY-T4M Wireless Intercom Telephone System delivers flexible, cable-free communication across distances of up to 1000 metres in open areas. With an expandable capacity of up to 999 users and a robust lithium battery lasting approximately 30 days, it is a practical communication solution for offices, warehouses, and facilities throughout Jordan.

Key Features

• Wireless range of up to 1000 metres in open areas without obstacles — well suited to large premises and outdoor yards.
• Scalable system supporting 1 to 999 users, allowing the network to grow alongside your organisation.
• Approximately 30-day battery life powered by an 18650 lithium battery, reducing the need for frequent charging.
• Ultra-low standby current of 1mA helps conserve battery during inactive periods.
• Maximum volume of 120dB ensures calls and alerts are clearly heard in noisy environments.
• 38 selectable ringtone melodies allow users to distinguish their unit from others.
• Operating temperature range of -10°C to +40°C suits a wide variety of indoor and outdoor environments.

Technical Specifications

• Frequency Range: 420–450MHz
• Working Voltage: DC 5V
• TX Power: 0.5W
• Working Distance: Up to 1000 metres (open area, without obstacles)
• System Capacity: 1 to 999 users (extendable)
• Maximum Volume: 120dB
• Ringtones: 38 selectable melodies
• Battery Life: Approximately 30 days
• Working Current: <450mA
• Standby Current: 1mA
• Battery Type: 18650 Lithium Battery
• Operating Temperature: -10°C to +40°C
• Physical Dimensions: 170 x 165 x 60mm