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R718J-Wireless Dry Contact Interface

   

R718J can be connected to external dry contact devices, such as various switches, buttons, relays and reed switch outputs. It can detect the closure or disconnection signal of the dry contacts. Based on SX1276 wireless communication module, the wireless communication is compatible with LoRaWAN™ protocol (ClassA).

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R718J can be connected to external dry contact devices, such as various switches, buttons, relays and reed switch outputs. It can detect the closure or disconnection signal of the dry contacts. Based on SX1276 wireless communication module, the wireless communication is compatible with LoRaWAN™ protocol (ClassA).

• Wireless range of 10km *1
• LoRaWAN™ Class A compatible
• Frequency Hopping Spread Spectrum (FHSS)
• Improved interference immunity
• Improved power management for longer battery life
• Encrypt-RF™ Security (Diffie-Hellman Key Exchange + AES-128 CBC for sensor data messages)
• Battery Life*2:
⁻Please refer to web: http://www.netvox.com.tw/electric/electric_calc.html
⁻At this website, users can find battery life time for varier models at different configurations.
• 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
• R718X  series carry magnets which can be attached to ferromagnetic materials and objects

*1. Actual range may vary depending on environment.

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

Electric:

Input Power

2 x 3.6V ER14505 AA lithium batteries
(3.6V2400mah/section）

Sleeping Mode

22uA

Wake up Mode

6.3mA@3.3V

Receiving Current (max)

11mA @3.3V            

Transmitting Current (max)

120mA/3.3V                     

Battery Voltage Measurement
Accuracy

±0.1V

Low Voltage Threshold

3.2V


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

US915       AU915       AS923 EU868       KR920       CN470
Configured before shipment


Physical:

Dimension

Main Part: L: 112mm*W: 65mm*H: 32mm

Weight

141g

Environment Temperature Range

-20℃ ～ 55℃

Environment Humidity Range

<90% RH  (No condensation)

Storage Temperature

-40℃ ～ 85℃