Onestyle Opal SIM Desktop Telephone Black (UNISOC SL8521E Dual Core)

The Onestyle Opal is a robust SIM desktop telephone designed for reliable communication. Powered by the UNISOC SL8521E Dual Core processor, this fixed wireless terminal (FWT) offers 4G LTE connectivity, making it an ideal solution for home or office use where a traditional landline is unavailable or as a secondary line.

Advantages

Enjoy clear voice calls with VoLTE support and a long-lasting battery that provides up to 5 hours of talk time and up to 150 hours of standby time. The monochrome LCD display with backlight ensures easy readability, while the alphanumeric keypad and navigation keys allow for effortless dialing and menu navigation.

Suitable for

• Home users needing a reliable desktop phone without a landline
• Small offices requiring a secondary or backup communication line
• Users in areas with limited fixed-line infrastructure

Key specifications

• Product Type: Fixed Wireless Terminal (FWT)
• Cellular Technology: 4G LTE (Cat 4)
• Processor: UNISOC SL8521E Dual Core
• SIM Card Type: Standard SIM (2FF)
• Color: Opal Black
• Display: Monochrome LCD with Backlight
• Battery: Rechargeable Li-ion, 1000-1500 mAh
• Talk Time: Up to 4-5 hours
• Standby Time: Up to 100-150 hours
• Key Features: SMS, Call History, Phonebook, Speakerphone, Alarm Clock
• Antenna: Internal or External (detachable)
• Power Input: AC Adapter (5V DC)
• Network Bands: LTE FDD B1/B3/B5/B7/B8/B20, LTE TDD B38/B39/B40/B41, WCDMA B1/B5/B8, GSM B2/B3/B5/B8
• VoLTE Support: Yes
• Memory: 128MB RAM, 256MB ROM
• Language Support: Multi-language (English, German, etc.)

Recommendations

For optimal performance, use a standard SIM card from your mobile network provider. The device supports 4G LTE for fast data and clear voice calls. Ensure the antenna is properly attached for best signal reception.