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which can reduce cloud-end computing resources
DR301 can transmit the data automatically to the last time transferred
Arducam Nano Raspberry Pi Module (B0101)
Indium Tin Oxide (ITO) pad
LHT65N/S-DC LoRaWAN Dry Contact Sensor External Antenna Option:With External Antenna which can reduce cloud-end computingLHT65N S DC LoRaWAN Dry Contact Sensor The Dragino LHT65N S DC is a LoRaWAN Dry Contact Sensor is a Long Range LoRaWAN Sensor. It detects dry contact status, open close status, counts, and then uploads to the IoT server via the LoRaWAN network. It includes a built in Temperature & Humidity sensor and 3 wire(VCC GND INT) for dry contact. LHT65N S DC supports an open alarm feature, user can set the open alarm for instant notice. The sensor supports the
US$ 659.50
US$ 329.50