Grandstream WP822 is a robust enterprise-grade portable WiFi IP phone tailored for diverse industries such as retail, logistics, healthcare, education, and security. Featuring integrated dual-band 802.11a/b/g/n/ac WiFi with advanced antenna design and seamless roaming support (802.11k/r/v), this device ensures uninterrupted connectivity in dynamic work environments.

• Supports 2 SIP accounts and 2 lines for flexible communication management.
• Delivers HD voice quality through dual microphones enhanced with Acoustic Echo Cancellation (AEC) and Noise Shield technology, ensuring crystal-clear calls even in noisy surroundings.
• Equipped with a rechargeable 2000mAh Lithium-ion battery offering approximately 8 hours of talk time and up to 200 hours of standby, facilitating prolonged use without frequent recharges.
• Integrated Bluetooth capability allows convenient pairing with wireless headsets and mobile devices.
• User-friendly features include a configurable push-to-talk button for instant communication, micro USB charging port, and a 3.5mm headset jack.
• Security is a priority with support for SIP RFC3261, TLS/SRTP encryption, 802.1x network authentication, and encrypted provisioning via GDMS, TFTP, HTTP, and HTTPS.

For more details, visit the [Grandstream official WiFi cordless phones page](https://www.grandstream.com/products/ip-voice-telephony/wifi-cordless).