Router and Bridge are both network connecting devices. Router works at network layer and is responsible to find the shortest path for a packet whereas Modem connects a device like desktop, laptop to internet. Router connects devices across multiple networks.
Following are the important differences between Router and Modem.
|1||Objective||Router main objective is to connect various networks.||Modem main objective is to connect a laptop or any device to internet.|
|2||Action||Router checks information packet and verify its path to destinative network device.||Modem converts digital signal of laptop to analog signal and vice versa.|
|3||Action||Router distributes requested data to PC/Laptop.||Modem gets the requested data from Net to PC/laptop.|
|4||Net Access||Router is not mandatory to access the internet.||Modem is mandatory to access the internet.|
|5||Location||Router is placed with electronic device and network.||Modem is placed directly on computer or between computer and router.|
|6||Layer||Router works in network layer.||Modem works in data link layer.|