Based on this product's specifications, here are some alternatives and similar models
Mobile printer Seiko Instruments MP-B20
Summary description:
The Seiko Instruments MP-B20 is a versatile mobile thermal printer that supports both wired and wireless connectivity. It features a print resolution of 384 dots per line and can handle a maximum roll diameter of 4 cm with a paper width of 58 mm. The printer supports various barcode formats including CODABAR, Code 128, and Data Matrix, making it ideal for diverse printing needs. Compact and efficient, it is perfect for on-the-go printing tasks.