IEEE 802.11g wireless LAN sets the PB50B21804100 apart as a linerless-capable portable direct thermal printer built for mobile label printing in warehousing, distribution, retail and field service environments. It prints monochrome labels at 203 dpi and up to 4 in/s across a 4.39-inch maximum print width, accepting linerless, label, tag, receipt and synthetic media on rolls up to 2.65 inches in diameter with a 0.75-inch core. Serial and USB interfaces complement the wireless connection, while an LCD display simplifies on-the-go operation. The unit runs on a rechargeable Lithium Ion battery at 14.8 V DC and carries 16 MB of standard memory alongside 64 MB of flash. IPL language emulation is supported, and the 6.9-inch by 6.3-inch by 3.1-inch portable chassis ships with a swivel belt clip. Coverage is backed by a 1-year limited warranty.