SignalWall is a hardware-based physical security product developed by IoTen (referenced in the page as SecurePush). It is designed as an add-on chip that can be integrated into electronic circuit boards to provide physical security capabilities. The product targets the hardware layer of security, offering a chip-level mechanism to extend physical security protections to electronic devices and circuit boards. Beyond this, the page content provides minimal technical detail about the specific capabilities or mechanisms of the chip.