Yealink

Yealink W70B. Maximum range: 11811" (300 m), Management protocols: SNTP/NTP, UDP/TCP/TLS, Security algorithms: AES, HTTPS, SHA-256, SHA-384, SHA-512, TLS. Phonebook capacity (per handset): 1000 entries. Frequency range (EU): 1880 - 1900 MHz, Frequency range (US): 1920 - 1930 MHz. Ethernet LAN data rate supported (max): 100 Mbit/s. Product color: Gray, Certification: CE, FCC, REACH

Yealink BT50. Product color: Black, Bluetooth profiles: A2DP, DIP, HFP, Wireless range: 1181.1" (30 m). Connectivity technology: Wireless, Device interface: USB. Power source type: USB. Width: 0.547" (13.9 mm), Depth: 0.709" (18 mm), Height: 0.201" (5.1 mm)

Yealink BT41. Connectivity technology: Wireless, Host interface: USB, Interface: Bluetooth. Maximum data transfer rate: 3 Mbit/s. USB powered. Product color: Black