Overview
The Inventory Master’s LoRaWAN open close dry contact sensor with alarm is a LoRaWAN Contact Sensor for Internet of Things solution. It detects dry contact status, open time, open counts, and then upload to IoT server via LoRaWAN wireless protocol. This device will send periodically data every day as well as for each dry contact action. It also counts the contact open times and calculate last open duration. User can also disable the uplink for each open or close event, instead, device can count each open event and uplink periodically. The LoRa wireless technology used in it allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. This device supports open alarm feature, user can set open alarm for instant notice. It supports Datalog feature.
Features
- LoRaWAN 1.0.3 Class A
- Ultra-low power consumption
- Open or close detect
- Open or close statistics
- Supports open alarm feature
- Supports LoRaWAN remote configure
Technical Specifications
| Chipset | Sx1302 |
| Protocol | LoRaWAN 1.0.3 Class A |
| Frequency | CN 470 MHz, EU 433 MHz, KR 920 MHz, US 915 MHz, EU 868 MHz, AS 923 MHz, AU 915 MHz, IN 865 MHz |
| Bluetooth | V5.1 |
| Battery | 8500 mAh Li or SOCl2 battery (CPL03-LB), solar panel and 3000 mAh Li-ion battery (CPL03-LS) |
| Weight | 14.8 oz (420 g) |
| Dimension | 7.68 in x 4.92 in x 2.2 in (195 mm x 125 mm x 55 mm) |









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