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one SIM card
LSN50 wireless part is based on SX1276/SX1278 allows the user to send data and reach extremely long ranges at low data-rates
TD210 supports up to 5 sync data centre
The last two pins broken out are GPIO1 and GPIO2 which can be used as general input/output pins
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LSPH01 LoRaWAN Wireless Soil pH Sensor Frequency Band:AU915MHz - AS923MHz one SIM cardLSPH01 LoRaWAN Wireless Soil pH Sensor The Dragino LSPH01 is a LoRaWAN Soil pH Sensor for IoT of Agriculture. It is designed to measure the soil PH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof. LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's pH with high accuracy and stable value. The LSPH01 probe can be buried