The Grandstream WP820 is a portable Wi-Fi IP phone designed for enterprise and vertical market applications such as retail, logistics, healthcare, and security. It combines mobility, durability, and advanced telephony features to support on-the-go communication needs.
📱 Key Specifications
📡 Connectivity
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Wi-Fi: Integrated dual-band 802.11a/b/g/n (2.4GHz & 5GHz) with efficient antenna design and advanced roaming support.
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Bluetooth: Integrated for syncing headsets and mobile devices (contacts and call transferring).
📞 Telephony Features
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SIP Accounts: Supports up to 2 SIP accounts and 2 lines.
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Audio Conferencing: 3-way audio conferencing capability.
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Audio Quality: HD voice with dual microphones, Acoustic Echo Cancellation (AEC), and Noise Shield Technology for clear communication.
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Push-to-Talk: Configurable button for push-to-talk, panic, and other related functions.
🔋 Battery & Power
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Battery: Rechargeable 1500mAh Li-ion battery.
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Talk Time: Up to 7.5 hours.
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Standby Time: Up to 150 hours.
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Charging: Micro USB port for charging.
🎧 Ports & Interfaces
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Headset Jack: 3.5mm headset jack for wired headsets.
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USB Port: Micro USB port for charging and data connectivity.
📺 Display & Design
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Display: Color display (specific size not specified in the provided sources).
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Additional Features: Built-in accelerometer for motion detection.
🛡️ Security & Management
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Security Protocols: Supports TLS, SRTP, HTTPS, and 802.1X for secure communication.
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Device Management: Compatible with Grandstream Device Management System (GDMS) for centralized configuration and management.
