Milesight Sensor WS101
Milesight WS101 is a compact, battery-powered LoRaWAN smart button designed for wireless control, triggering actions, and sending alarms. It supports multiple press actions (short, long, and double press) with response time less than 1 second. The button features ultra-low power consumption with battery life over 5 years, NFC configuration, and Milesight D2D communication capability. With its portable design and IP30 rating, it's ideal for smart homes, offices, hotels, schools, and emergency panic button applications.
Integration Links​
General configuration​
Configuration is done via NFC using the Milesight ToolBox app.
For sensor configuration instructions, see 👉 General configuration.
LoRaWAN Network Options​
For information about supported LoRaWAN network server platforms, see 👉LoRaWAN Network Options
LoRaWAN configuration​
| Parameter | Value |
|---|---|
| Work mode | Class A |
| Join type | OTAA |
| AppEUI/JoinEUI | 24E124C0002A0001 |
| AppKey | 5572404C696E6B4C6F52613230313823 |
DevEUI (Device Extended Unique Identifier) is unique for each device and can be found printed on the device label.
Data Encoding & Decoding​
| Type | GitHub Link |
|---|---|
| Decoder | View decoder |
| Encoder | View encoder |
| Codec | View codec |
Terminology Overview​
Decoder -> Converts the device's binary payload into readable JSON.
Encoder -> Converts JSON commands into binary payload for downlinks.
Codec -> Defines the rules for decoding and encoding (structure, fields, ports) used by network servers.
Power supply​
| Type | Value |
|---|---|
| Power | ER14335 Li-SOCL2 (1650 mAh) |
Technical Specifications​
| Parameter | Value |
|---|---|
| Wireless Transmission | |
| Technology | LoRaWAN®, Milesight D2D |
| Antenna | Internal |
| Frequency | CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1&2&3&4 |
| Tx Power | 16 dBm (868MHz) / 22 dBm (915MHz) / 19 dBm (470MHz) |
| Sensitivity | -137 dBm @300bps |
| Mode | OTAA / ABP Class A |
| Button Functions | |
| Button Types | 1× External Button, 1× Power/Reset Button (internal) |
| Press Actions | Short press, long press, double press |
| Response Time | Less than 1 second |
| User Defined Actions | All press actions can be customized |
| Indicators | |
| LED | 1× LED indicator |
| Buzzer | Yes |
| Features | |
| Configuration | NFC / Downlink |
| D2D Communication | Direct device-to-device without gateway |
| Advanced Features | Panic button, scene control, automation triggers |
| Physical Characteristics | |
| Power Supply | 1 × ER14335 (1650 mAh) |
| Battery Life | Over 5 years (10 presses per day) |
| Operating Temp | -20°C ~ +60°C |
| Humidity | ≤90% RH (non-condensing) |
| Ingress Protection | IP30 |
| Dimensions | 50 × 50 × 18 mm |
| Weight | 38.8 g (with battery) |
| Material | ABS+PC |
| Installation | Wall mount or portable |
| Approvals | CE, FCC, RoHS |