wireless sensors the moisture and temperature

[Martin]

Hi, what do you think about using sensors sensirion SHT-RF5151 module? it would be difficult to use the new hardware version data from such sensors. SHT advantage is that it can be put directly into the ground (after pouring the resin ducts)

http://www.appconwireless.com/PRODUCTS/showproduct.php?lang=en&id=10

RF line-in-sight range: 700meters (@3125bps)

Frequency: 425-450MHz or 868-870MHz or 902-928MHz

DS18B20 SHT11/12/21 PT100/PT1000 DHT22 sensor compatible

Output Power: 10mW (adjustable)

GFSK modulation

Setting data transmitting cycle

Interface: UART

Power supply: 2.1—3.6V

Power Consumption: 14mA (TX), 1.5µA (Idle)

Operating temperature: -30℃—85℃

Size: 22.4*15.9*2.4 mm

Ultra low Battery power consumption

Several years untended

[Author]

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