Trac10251 Dry Contact LoRaWAN Sensor is a ClassA external dry contact device based on LoRaWAN open protocol of Trac10251 Dry Contact LoRaWAN Sensor . It can externally connect various switches, buttons, relays and reed switch output. It can detect the closing or disconnecting signal of dry contact and is compatible with LoRaWAN protocol.
Electric
| Input Power | 2 x 3.6V ER14505 AA lithium batteries
(3.6V2400mah/section) |
| Standby Current | 22uA |
| Wakeup Current | 6.3mA/ 3.3V |
| Transmitting Current (max) | 120mA/ 3.3V |
| Receiving Current (max) | 11mA/ 3.3V |
| Battery Measurement Accuracy | ± 0.1V |
| Low Voltage Threshold | 3.2V |
External Wire Characteristics
| Wire Material | UL2547 28AWG |
| Wire Temperature (Max) | 80°C |
| Wire Outer Diameter (Max) | 2mm |
| Wire Length | 1000mm (±5mm) |
| Wire Flame Resistance Rating | VW-1 |
Frequency
| Frequency Range | 863MHz-928MHz 470MHz-510MHz |
| TX Power |
US915 20dbm; AS923 16dbm; AU915 20dbm; CN470 19.15dbm; EU868 16dbm; KR920 14dbm; IN865 20dbm; |
| Receiving Sensitivity |
-136 dBm (LoRa, Spreading Factor=12, Bit Rate = 293bps) -121 dBm (FSK, Frequency deviation=5kHz, Bit Rate=1.2kbps) |
| Antenna Type | Build-in antenna |
|
Communication Distance |
10 km
(Visible linear obstacle-free transmission distance, actual transmission distance depending on the environment.) |
| Data Transfer Rate | 0.3kbps ~ 50kbps |
| Modulation | LoRa / FSK (Note: choose one of them) |
|
Supportable LoRaWAN Frequency |
EU863-870, US902-928, AU915-928, KR920-923,
AS923, CN470-510 (Note: The frequency band is optional and needs to be configured before shipment.) |
Physical
| Dimension | L: 112 mm x W: 88.19 mm x H: 32 mm |
| Weight | 141g |
| Environment Humidity Range | <90 %RH (No condensation) |
| Operating Temperature | -20°C to 55 °C |
| Storage Temperature | -40°C to 85 °C |
+1 888 655 8029
