Yealink RT20U, 1880 - 1900 MHz, 1920 - 1930 MHz, 10 mW, Omnidirectional, 50 m, 300 m
Yealink RT20U. Frequency range (EU): 1880 - 1900 MHz, Frequency range (US): 1920 - 1930 MHz, RF power: 10 mW. AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Width: 122 mm, Depth: 12 mm, Height: 62 mm. Package width: 150 mm, Package depth: 80 mm, Package height: 90 mm