diff --git a/vendor/decentlab/dl-cws-codec.yaml b/vendor/decentlab/dl-cws-codec.yaml
new file mode 100644
index 0000000000..003432dfb6
--- /dev/null
+++ b/vendor/decentlab/dl-cws-codec.yaml
@@ -0,0 +1,89 @@
+uplinkDecoder:
+  fileName: dl-cws.js
+  examples:
+    - description: Example 1
+      input:
+        fPort: 1
+        bytes: [0x02, 0x46, 0x39, 0x00, 0x03, 0x8a, 0x77, 0x8a, 0x95, 0x97, 0x7a, 0x87, 0x4c, 0x80, 0x47, 0x8a, 0x5e, 0x0b, 0x74]
+      output:
+        data:
+          air_humidity:
+            displayName: Air humidity
+            unit: '%'
+            value: 60.1
+          air_temperature:
+            displayName: Air temperature
+            unit: "\xB0C"
+            value: 27.09
+          angle:
+            displayName: Angle
+            unit: "\xB0"
+            value: 71
+          battery_voltage:
+            displayName: Battery voltage
+            unit: V
+            value: 2.932
+          device_id: 17977
+          dew_point:
+            displayName: Dew point
+            unit: "\xB0C"
+            value: 18.68
+          protocol_version: 2
+          sensor_temperature:
+            displayName: Sensor temperature
+            unit: "\xB0C"
+            value: 26.54
+          surface_temperature:
+            displayName: Surface temperature
+            unit: "\xB0C"
+            value: 26.79
+    - description: Example 2
+      input:
+        fPort: 1
+        bytes: [0x02, 0x46, 0x39, 0x00, 0x02, 0x0b, 0x74]
+      output:
+        data:
+          battery_voltage:
+            displayName: Battery voltage
+            unit: V
+            value: 2.932
+          device_id: 17977
+          protocol_version: 2
+
+downlinkEncoder:
+  fileName: dl-downlink-codec.js
+  examples:
+    - description: Set period 3600 seconds and save
+      input:
+        data:
+          command: set period + save
+          parameter: 3600
+      output:
+        bytes: [0, 2, 14, 16, 72, 164]
+        fPort: 1
+    - description: Set ADR off
+      input:
+        data:
+          command: set adr off
+      output:
+        bytes: [0, 7, 0, 0, 229, 177]
+        fPort: 1
+
+downlinkDecoder:
+  fileName: dl-downlink-codec.js
+  examples:
+    - description: Set period 600 seconds
+      input:
+        fPort: 1
+        bytes: [0x00, 0x01, 0x02, 0x58, 0x7E, 0x51]
+      output:
+        data:
+          command: set period
+          parameter: 600
+    - description: Reset
+      input:
+        fPort: 1
+        bytes: [0xFE, 0xFE, 0x00, 0x00, 0x3C, 0x50]
+      output:
+        data:
+          command: reset
diff --git a/vendor/decentlab/dl-cws.js b/vendor/decentlab/dl-cws.js
new file mode 100644
index 0000000000..56899352be
--- /dev/null
+++ b/vendor/decentlab/dl-cws.js
@@ -0,0 +1,100 @@
+
+/* https://www.decentlab.com/support */
+
+var decentlab_decoder = {
+  PROTOCOL_VERSION: 2,
+  SENSORS: [
+    {length: 6,
+     values: [{name: 'surface_temperature',
+               displayName: 'Surface temperature',
+               convert: function (x) { return (x[0] - 32768) / 100; },
+               unit: '°C'},
+              {name: 'air_temperature',
+               displayName: 'Air temperature',
+               convert: function (x) { return (x[1] - 32768) / 100; },
+               unit: '°C'},
+              {name: 'air_humidity',
+               displayName: 'Air humidity',
+               convert: function (x) { return (x[2] - 32768) / 100; },
+               unit: '%'},
+              {name: 'dew_point',
+               displayName: 'Dew point',
+               convert: function (x) { return (x[3] - 32768) / 100; },
+               unit: '°C'},
+              {name: 'angle',
+               displayName: 'Angle',
+               convert: function (x) { return (x[4] - 32768); },
+               unit: '°'},
+              {name: 'sensor_temperature',
+               displayName: 'Sensor temperature',
+               convert: function (x) { return (x[5] - 32768) / 100; },
+               unit: '°C'}]},
+    {length: 1,
+     values: [{name: 'battery_voltage',
+               displayName: 'Battery voltage',
+               convert: function (x) { return x[0] / 1000; },
+               unit: 'V'}]}
+  ],
+
+  read_int: function (bytes, pos) {
+    return (bytes[pos] << 8) + bytes[pos + 1];
+  },
+
+  decode: function (msg) {
+    var bytes = msg;
+    var i, j;
+    if (typeof msg === 'string') {
+      bytes = [];
+      for (i = 0; i < msg.length; i += 2) {
+        bytes.push(parseInt(msg.substring(i, i + 2), 16));
+      }
+    }
+
+    var version = bytes[0];
+    if (version != this.PROTOCOL_VERSION) {
+      return {error: "protocol version " + version + " doesn't match v2"};
+    }
+
+    var deviceId = this.read_int(bytes, 1);
+    var flags = this.read_int(bytes, 3);
+    var result = {'protocol_version': version, 'device_id': deviceId};
+    // decode payload
+    var pos = 5;
+    for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
+      if ((flags & 1) !== 1)
+        continue;
+
+      var sensor = this.SENSORS[i];
+      var x = [];
+      // convert data to 16-bit integer array
+      for (j = 0; j < sensor.length; j++) {
+        x.push(this.read_int(bytes, pos));
+        pos += 2;
+      }
+
+      // decode sensor values
+      for (j = 0; j < sensor.values.length; j++) {
+        var value = sensor.values[j];
+        if ('convert' in value) {
+          result[value.name] = {displayName: value.displayName,
+                                value: value.convert.bind(this)(x)};
+          if ('unit' in value)
+            result[value.name]['unit'] = value.unit;
+        }
+      }
+    }
+    return result;
+  }
+};
+
+function decodeUplink(input) {
+  var res = decentlab_decoder.decode(input.bytes);
+  if (res.error) {
+    return {
+      errors: [res.error],
+    };
+  }
+  return {
+    data: res,
+  };
+}
diff --git a/vendor/decentlab/dl-cws.png b/vendor/decentlab/dl-cws.png
new file mode 100644
index 0000000000..b09d63b986
Binary files /dev/null and b/vendor/decentlab/dl-cws.png differ
diff --git a/vendor/decentlab/dl-cws.yaml b/vendor/decentlab/dl-cws.yaml
new file mode 100644
index 0000000000..3230e0157f
--- /dev/null
+++ b/vendor/decentlab/dl-cws.yaml
@@ -0,0 +1,92 @@
+name: DL-CWS
+description: The Decentlab DL-CWS includes a high-precision infrared pyrometer, temperature, humidity and dew point sensors. It is suitable for use in road weather information systems, winter road maintenance, frost alarming, ice alerting, and smart agriculture.
+
+hardwareVersions:
+  - version: '1'
+    numeric: 1
+
+firmwareVersions:
+  - version: 1.5.7
+    numeric: 157
+    hardwareVersions:
+      - '1'
+    profiles:
+      EU863-870:
+        id: profile-eu868
+        lorawanCertified: true
+        codec: dl-cws-codec
+      AS923:
+        id: profile-as923
+        lorawanCertified: false
+        codec: dl-cws-codec
+      US902-928:
+        id: profile-us915
+        lorawanCertified: true
+        codec: dl-cws-codec
+      AU915-928:
+        id: profile-au915
+        lorawanCertified: false
+        codec: dl-cws-codec
+
+sensors:
+  - surface temperature
+  - tilt
+  - temperature
+  - humidity
+  - battery
+
+dimensions:
+  length: 135
+  width: 81
+  height: 70
+
+weight: 1800
+
+battery:
+  replaceable: true
+  type: 2 C alkaline
+
+operatingConditions:
+  temperature:
+    min: -20
+    max: 50
+  relativeHumidity:
+    min: 0
+    max: 1.0
+
+ipCode: IP67
+
+keyProvisioning:
+  - custom
+keySecurity: none
+
+productURL: https://www.decentlab.com/high-precision-winter-road-maintenance-sensor-for-lorawan
+dataSheetURL: https://cdn.decentlab.com/download/datasheets/Decentlab-DL-CWS-datasheet.pdf
+photos:
+  main: dl-cws.png
+
+compliances:
+  safety:
+    - body: IEC
+      norm: EN
+      standard: 62368-1
+  radioEquipment:
+    - body: ETSI
+      norm: EN
+      standard: 301 489-1
+      version: 2.2.0
+    - body: ETSI
+      norm: EN
+      standard: 301 489-3
+      version: 2.1.1
+    - body: ETSI
+      norm: EN
+      standard: 300 220-1
+      version: 3.1.1
+    - body: ETSI
+      norm: EN
+      standard: 300 220-2
+      version: 3.1.1
+    - body: IEC
+      norm: EN
+      standard: 62479:2010
diff --git a/vendor/decentlab/index.yaml b/vendor/decentlab/index.yaml
index b2375ac519..362d3ceb6b 100644
--- a/vendor/decentlab/index.yaml
+++ b/vendor/decentlab/index.yaml
@@ -3,6 +3,7 @@ endDevices:
   - dl-atm22
   - dl-atm41
   - dl-ctd10
+  - dl-cws
   - dl-dlr2-002
   - dl-dlr2-003
   - dl-dlr2-004