HF+UHF Temperature Sensor NFC RFID Tags is designed for temperature monitoring and logging. It has three

 interfaces including NFC HF contactless interface, UHF contactless interface and I2C contact interface. 

All interfaces can fulfill a single-time temperature measurement or start a temperature logging process and read the temperature data back.

HF+UHF Temperature Sensor NFC RFID Tags works either battery-powered or none battery-powered. 

Temperature data can be stored in NDEF format and can be read by both Android phone and iPhones with NFC.

The RFID temperature sensor tag is an RFID sensitivity sensing tag combo by HF+UHF. It adds temperature detection 

and sensing function to traditional RFID tags, which can constantly detect the temperature of items, play a temperature alarm and regulation role, 

and is widely used in cold chain transportation, refrigerated warehouses and other application fields.

Applications                                                                                                                                              
* Cold chain evaluation for medical, fresh food, and special chemicals
* Long distance temperature measure and monitor
* NFC sensor for body or environment temperature measurement
* Pressure measurement

Interface                                                                                                                                    

Temperature Measurement and Logging                                                                          

EEPROM                                                                                                                                                    

* Total memory: 160k bits
* Potential temperature point: 20000                                                                                                                                                    

Security                                                                                                                                                    

1. HF UID is unchangeable

2. UHF TID is unchangeable
3. Access to user area is protected by password
4. Lock mechanism for user memory block(write protection)
5. Temperature data area is read-only for the contactless interface

Special feature                                                                                                                                        
LED lighted function in passive mode and semi-active mode
Battery low voltage warning function
Light strength warning function