ST11TN/ST11NN is a w師下ireless tag sensor us河但ed for asset短現 management, which c綠聽an implement timi裡的ng sampling, upload te麗明mperature and ID 老木information to 還頻the monitoring platf自從orm, and support Lo電少RaWAN and LinkWAN prot妹開ocols. Users can set t朋女he sampling a但黑nd reporting cycle throu廠短gh the platf動報orm. The defaul但道t setting is to 船文upload temperature and 資習humidity info去可rmation to the platfor知紅m every 1800 minutes.
The application pl北對atform can realize onli子匠ne management of ass音請ets in controllable 匠購areas by counting 舊件the online time但年 and packet loss友中 rate of asset 吃音tags. Periodic temperat木森ure measurement can 鐘短realize temperat懂作ure monitoring of Cargo 拍店piles or other愛草 application scenari舞光os, thus ensuring the s問藍afety of good綠了s.
ST11TN has bui畫說lt-in temperature se可車nsor and ST11NN制化 does not have temperatu們為re sensor. For detailed 雨了differences, see風光 Product parameter些服s and functi但木on description.
The ST11 series device a離友re divided into two mode道紅ls. One built-i的我n temperature s作視ensor can regular海關ly monitor the temper信多ature of the test樂區ed environment. The m城麗odel is ST11TN series, o睡朋ne is that the model of 分笑the sensor that only up什會loads heartbeat inform什讀ation without a tem快山perature sensor is S科兵T11NN series.
The built-in temperatur電區e sensor can monitor the理制 ambient temp科我erature and support到務 periodic heartbeat 綠報function and batter土時y power moni這少toring function. The街靜 heartbeat perio從學d and temperature s頻光ampling period can be mo女飛dified through the Serve計遠r.
No internal temp購又erature sensor,議又 supports periodic hear一相tbeat and ba劇兒ttery power moni問到toring functions, heart理我beat period ca個來n be modified by th弟門e Server.
Operating voltage | 1.8~3.6V |
Operating temperature | -40℃ ~ 85℃ |
Working humidity | 0%~90%RH |
Emission curren廠員t | <120mA @ 100mW (河務impedance matching) |
Received Curre城空nt | <13mA |
Standby current | <5uA |
Frequency ran電花ge | 470-510MHz863-928 M友近Hz (optional) |
Transmit power | 19 ± 0.5dBm |
Receiving sensitivi要和ty | <-139dBm @292bps |
Antenna Type | Internal or external ant內和enna (optional) |
Data transmi師窗ssion rate | 1.8kbps~5.4kbps |
Modulation mode | LoRa |
Supported LoRaWAN bands的男 | CN470-510EU863-請自870AU915-928AS923 |
Supported LinkWAN bands | CN470AS923 |
Temperature m外們easurement ran坐校ge | -40 ~ 85℃ |
Measurement accura不暗cy | ± 0.3 ℃ |
Resolution | 0.01 ℃ |
Both ST11TN and ST1樂西1NN support the 紅很periodic heartbeat 可不, and the hear亮男tbeat period can be mod離公ified by the Server. Th光畫e default period影西 is 1800 minutes.錯那
ST11TN supports t木線emperature monit朋體oring, ST11NN doe計跳s not support temperat通你ure monitoring. ST11TN舞明 can monitor the ambi器農ent temperature, and t靜體he monitoring period資呢 can be modified th區樹rough the Ser間黑ver.
ST11NN can be pasted on 銀行the asset equipme吧謝nt through d冷站ouble-sided a輛村dhesive tape. Whe錯外n the adhesive tape of S船厭T11NN falls 多答off and ST11N些歌N is stripped off 黑國from the ass不師et, it can b輛風e detected by i美紅tself to giv紙公e a drop alarm.熱務
Both ST11NN 會要and ST11TN have 相門the function of batt鄉月ery power monitoring. 船上When the battery power i文區s found to b看畫e low, alarm 愛用data can be s上綠ent.