Basically, it is a type of RF Transmitter that is available in a SSOP package.For RF Transmitter operation, 85°C°C is the maximum operating temperature.For reliability, it must work at a minimum temperature of -40°C degrees Celsius.The RF transmitter and receiver is mounted using a Surface Mount-mount that is used to mount it on a wall.
LT5500EGN#TR Features
SSOP package Minimum of -40°C°C Surface Mount
LT5500EGN#TR Applications
There are a lot of Analog Devices, Inc. LT5500EGN#TR RF Transmitter applications.