Check the listing for details. Sony Handycam UNA-PSTN USB Modem Adapter. Condition: Used. Listed at 9.99 USD. PREOWNED. Good working condition. Please check for compatibility with your unit. I'm not responsible for incompatibility. This Sony Handycam UNA-PSTN USB Modem Adapter allows for fast and reliable internet connectivity through its USB port. It is compatible with a variety of devices and features a sturdy design for added durability. The adapter supports UNA-PSTN technology for seamless communication. With its brand name and model number, users can expect high-quality performance from this modem adapter. Its external interfaces provide easy connectivity, making it a great addition to your computer setup. Whether you're at home or in the office, this adapter is perfect for ensuring a smooth and uninterrupted internet connection. Thanks for looking.