OpenScape WL4 Plus cordless WLAN CUC328 ++PROMO++

With an impressive 17-hour talk time on a single charge, the Mitel OpenScape WL4 Plus WLAN Handset CUC328 keeps your workforce connected throughout the longest shifts. This enterprise-grade wireless handset delivers HD voice clarity over Wi-Fi, ensuring every conversation is crisp and natural.

Overview

The OpenScape WL4 Plus is a purpose-built WLAN handset designed for demanding business environments. It supports IEEE 802.11a/b/g/n wireless connectivity and SIP protocol, integrating seamlessly with your existing VoIP infrastructure. The 2.2-inch color TFT display provides clear visibility of call information and menus, while the IP44 rating ensures resistance to dust and splashes, making it suitable for light industrial or healthcare settings.

What stands out

• Exceptional battery life: up to 17 hours talk time, 170 hours standby
• HD Voice support via G.722 codec for superior audio quality
• Robust security with WPA/WPA2-PSK and Enterprise (802.1X EAP-TLS, EAP-TTLS, PEAP)
• Durable design with IP44 protection against dust and water splashes
• Convenient features: loudspeaker, vibration alert, programmable keys, and dedicated alarm key

Technical details

• Display: 2.2-inch color TFT, 176 x 220 pixels
• Wireless: IEEE 802.11a/b/g/n
• VoIP Protocol: SIP
• Voice Codecs: G.711, G.722 (HD Voice), G.729AB
• Battery: Lithium-Ion 1100 mAh, charging time approx. 4 hours
• Headset connection: 2.5 mm jack
• Messaging: SMS and alarm messaging
• Operating temperature: 0°C to +40°C
• Charging interface: Micro USB via charging cradle (cradle sold separately)
• Antenna: Integrated

Our verdict

The Mitel OpenScape WL4 Plus is a reliable and feature-rich WLAN handset that excels in voice quality and battery endurance. Its rugged build and advanced security make it a smart choice for enterprises seeking mobility without compromise.