Yealink W73H. Product type: IP mobile phone, Product colour: Black, Handset type: Wireless handset. Maximum indoor range: 50 m, Maximum outdoor range: 300 m. Lines quantity: 2 lines, Phonebook capacity: 100 entries, Frequency band: 1.9 GHz. Display: TFT, Display diagonal: 4.57 cm (1.8"), Display resolution: 128 x 160 pixels. Networking standards: IEEE 802.3af