Active tag temperature and humidity checking on freezer trucks with web monitor via GPRS

 Active tag temperature and humidity checking on freezer trucks with web monitor via GPRS Description: Built-in 2.4G RFID receiver Built-in antenna and battery Support GPRS(TCP/UDP), SMS, tracked by software/cell phone Support mini USB port to update firmware Low power consumption With Microphone and listen-in function With 32Mbit memory, can store about 16000 PCS data With Temperature sensor and control or detect car door/engine on/off        GPRS alarm function:Over-speed /Geo-fence /Low battery /Power Cut/Motion/SOS

Feature	Characteristics
Dimension	122mm*81mm*30.8mm
Exterior Power Supply	DC 11V -- 36V
USB charge	5V
Inner lithium battery	DC 3.6V -- 4.2V/4500mh
Built-in GSM antenna	Receive GSM Signal better
Built-in GPS antenna	Receive GPS signal better
Power Consumption  when exterior voltage is 12V	Active mode(avg.) < 50mA Sleep mode < 5mA
Charging time	About 6 hours can be full
Air pressure	860Kpa --1060Kpa
Humidity	Up to 75% non-condensing
Position accuracy	10 --15 meters
GSM chip	SIMCOM, 4 Frequency GSM 850/ 900/1800 /1900MHZ is optional)
GPS chip	Super-sensitivity and high accuracy
LED	3 LEDs indicates GSM signal,GPS signal,and change

     TZ-AVL19  2.4GHz GPS tracker                           TZ-TAG04 Temperature and humidity tag         TZ-TAG06 433MHz Temperature tag