The Grandstream WP836 cordless IP phone supports dual-band Wi-Fi 6 and roaming, and its antenna is designed for wireless connectivity. It supports voice conferencing with up to four participants, as well as up to 3 SIP accounts and 3 lines. The 2.8-inch color LCD has a resolution of 240 × 320 and a message-waiting indicator.

Its HD wideband audio supports the Opus codec, while its two microphones, AEC Noise Shield and AI noise cancellation help ensure clear speech. The 3,000 mAh battery provides up to 10 hours of talk time and 240 hours of standby time. The IP67-rated housing is resistant to dust and cleaning chemicals, features antibacterial protection and withstands drops from a height of 2 m.

• Type: Cordless IP phone
• Color: Black
• Connectivity: Dual-band Wi-Fi 6 802.11 a/b/g/n/ac/ax at 2.4 GHz and 5 GHz, Bluetooth
• Roaming support: 802.11k/r/v
• Wi-Fi encryption: WEP, WPA, WPA2, WPA3 Personal
• SIP accounts: Up to 3
• Lines: 3
• Conference calling: Voice, up to 4 participants
• Display: 2.8-inch color LCD, 240 × 320 resolution
• Message indicator: Two-color message-waiting indicator (MWI)
• Audio: HD wideband, with HAC support and Opus codec
• Microphones: 2, with AEC Noise Shield and AI noise cancellation
• Voice codecs: G.729A/B, G.711µ/a-law, G.726, G.722, G.723, iLBC, Opus
• Battery: Rechargeable lithium-ion, 3,000 mAh
• Talk time: Up to 10 hours
• Standby time: Up to 240 hours
• Charging port: USB Type-C
• Programmable key: Push-to-Talk, with alarm and paging functions
• Alert functions: Alarm, man-down, no-movement, running and ambient-sound
• Sensors: Accelerometer and proximity sensor
• Telephony features: Call hold, transfer and forwarding, call park, auto-answer, click-to-dial, flexible dial plan, personalized ringtones, server redundancy and failover
• Phone book: XML and LDAP, up to 1,000 contacts
• Call history: Up to 100 contacts
• Protection: IP67, resistant to dust, cleaning chemicals and drops from a height of 2 m, antibacterial housing
• Security: AES, SRTP, TLS call encryption and 802.1x media access control
• Operating temperature: 0 °C to 45 °C
• Operating humidity: 10%–90%, non-condensing
• Storage temperature: -20 °C to 60 °C
• Storage humidity: 10%–90%, non-condensing
• Device dimensions: 155 × 62 × 19 mm
• Language support: Multiple languages
• Package contents: WP836 handset, EU PSU 5 V/2 A (10 W) with USB Type-C, charging cradle, belt clip, lithium-ion battery, M3 screw, wall mount and quick installation guide