Instrument measuring optical signal power.

Tool using visible light to locate fiber faults.

Instrument testing fiber using reflected optical pulses.

Module transmitting data over optical fiber.

Module receiving data over optical fiber.

Device converting copper Ethernet to fiber.

Hardware converting one physical network medium to another.

Hardware forwarding network frames between ports.

Switch offering configurable management features.

Plug-and-play network switch with minimal configuration.

Switch primarily forwarding Ethernet frames.

Switch capable of routing IP traffic.

Network switch supplying power over Ethernet.

Device adding electrical power to Ethernet cabling.

Device separating Ethernet power from data.

Hardware managing power-over-Ethernet operation.

Hardware providing a copy of network traffic.

Hardware connecting network segments.

Hardware providing wireless network access.

Device combining routing and wireless functions.

Hardware providing cellular network connectivity.

Modem supporting LTE cellular communication.

Modem supporting 5G cellular communication.

Hardware receiving satellite positioning signals.

Module providing GPS positioning.

Antenna receiving satellite navigation signals.

Hardware reading SIM cards.

Physical socket holding a SIM card.

Hardware supporting embedded SIM functionality.

Hardware controlling near-field communication.

Antenna used for NFC communication.

Hardware reading RFID tags.

Antenna used by an RFID reader.

Hardware tag storing identification information.

Device responding to RFID interrogation.

Hardware reading smart cards.

Socket holding a smart card.