Smart Code Audio Door Phone Scheme For Full Duplex Voice Intercom

Smart Code Audio Door Phone Scheme For Full Duplex Voice Intercom Audio Door Phone Scheme Features: 1. Adopted 2.4G ISM digital frequency:2402~2483.5MHz 2. Transmission power:16-20dBm. Receive sensitivity:-90~-100dBm 3. full duplex voice mode 4. Synchronously transmit image data and voice data 5. Power supply Indoor unit voltage: 3.7v rechargeable lithium battery Outdoor unit voltage: DC 5V or 4 pcs of dry cells 6. Adopted AFH adaptive frequency hopping technology, can work