Honeywell RP4. Print technology: Direct thermal, Type: Mobile printer, Maximum resolution: 203 x 203 DPI. Maximum roll diameter: 2.28" (5.8 cm), Supported paper width: 51 - 111 mm, Maximum printing width: 4.09" (10.4 cm). Connectivity technology: Wired & Wireless, Standard interfaces: Bluetooth, NFC, USB 2.0, Wireless LAN. Wi-Fi standards: 802.11a, 802.11b, 802.11g. Page description languages: DPL, IPL, XML, ZPL II