RA0708 – LoRaWAN Wireless pH Sensor

RA0708 is a device for pH detection in water environment. It can detect and send environmental pH data to the data center. It is a wireless communication method.

RA0708 – Wireless pH Sensor adopts SX1276 wireless communication module.

• Wireless range of 10 km *1
• LoRaWAN™  compatible
• Frequency Hopping Spread Spectrum (FHSS)
• Improved interference immunity
• Encrypt-RF™ Security (Diffie-Hellman Key Exchange + AES-128 CBC for sensor data messages)
• Over-the-air updates (future)
• Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)
• Available third-party platform: Actility/ThingPark, TTN, MyDevices/Cayenne
• Uses SX1276 wireless communication module

*1. Actual range may vary depending on environment.

*2. Battery life is determined by sensor reporting frequency and other variables

Electric

Power Supply: Adapter DC Power Supply (12V/1A)

Operating Current 1: 40mA (no RF signal transmission)

Operating Current 2: 80mA (with RF signal emission)

Frequency

TX Power: 19dBm±1dBm

Rx Sensitivity:
-136dBm (LoRa，Spreading Factor=12, Bit Rate=293bps )
-121dBm (FSK,Frequency deviation=5kHz, Bit Rate=1.2kbps)

Antenna Type: Build-in antenna

Communication Range: 10 km (line-of-sight, the actual transmission distance depends on the environment)

Data Transfer Rate: 0.3kbps～50kbps

Spread Technique: LoRa/FSK

Available Frequency: EU863-870，US902-928，AU915-928，KR920-923，AS923，CN470-510 Configured before shipment

Physical

Dimension: 111mm*86mm*41mm

Operating Temperature Range: -20℃ ～ 55℃

Operating Humidity Range: < 90%RH (no condensation)

Storage Temperature range: -40℃ ～ 85℃

IP Rating: IP20 (Main body)