Why would you need an infrared adapter today? You'd be surprised how much equipment still relies on it: IrDA-USB Adapter инфракрасный порт Espada
Features an integrated LED indicator to show link activity and data transfer status. Common Applications U2IrDA Mini 4 MBPS FIR USB IrDA 20
Typically 1 centimeter to 1 meter at a 30-degree angle. Why would you need an infrared adapter today
: Supports multiple IrDA modes, including SIR (up to 115.2 Kbps), MIR (up to 1.15 Mbps), and FIR (up to 4 Mbps). including SIR (up to 115.2 Kbps)