Yes, the Brother PE770 embroidery machine is a good choice for embroidering complex embroidered patches. It has a large embroidery area of 5″ x 7″, which is plenty of space to create intricate and detailed designs.

The PE770 has a variety of built-in embroidery designs and fonts, and allows you to import your own designs through a USB port. This gives you a lot of creative freedom to customize your patches with your own designs and logos.

Additionally, the PE770 has advanced features like automatic needle threading, adjustable thread tension, and a backlit LCD screen for easy navigation and editing of designs. It also has a high embroidery speed of up to 650 stitches per minute, allowing you to complete your patches quickly and efficiently.

Overall, the Brother PE770 is a versatile and reliable machine that can produce high-quality embroidery patches, including complex designs.