Black Box Dual Temperature/Humidity Sensor Cable - 1-ft. (0.3-m) Digital Multimedia Devices you can connect the transmitter

you can connect the transmitter and receiver units directly over CAT5 or CAT6 cabling up to 330 feet (100 meters)

Manufacturer Part Number: APCRBC163

Works with T568A or T568B wiring

The Plugable USB3-HUB4A might look pretty simple

Black Box Dual Temperature/Humidity Sensor Cable - 1-ft. (0.3-m) Digital Multimedia Devices you can connect the transmitterBlack Box Dual Temperature Humidity Sensor Cable 1 ft. (0. 3 m) Measures 0 to 100% relative humidity with a 1% resolution and accuracy of plus minus 3% at 77 F (25 C). The sensor element is water resistant. Capacitive semiconductor sensor. Product Type: Temperature & Humidity Sensor Product Color: Blue Country Of Origin: Philippines Brand Name: Black Box Compatibility: AlertWerks environmental monitoring system Manufacturer: Black Box Corporation