👉 Queuers are a type of wireless network interface card (NIC) in computer hardware. They are used to connect and manage multiple devices on a single network, such as computers, smartphones, or other devices connected via Wi-Fi or Bluetooth. In general, a queuer is an intermediate device that filters data packets based on their source and destination addresses, ensuring that only valid traffic flows through the network. Queuers can be implemented in various ways, including by using specialized drivers or firmware for specific hardware components