GY-T4M Wireless Intercom Telephone System:
Specifications:
- Frequency Range: 420-450MHz
- Working Voltage: DC 5V
- TX Power: 0.5W
- Working Distance: Up to 1000 meters (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
دفع عند الاستلام داخل الاردن
