diff --git a/modules/adbroBidAdapter.js b/modules/adbroBidAdapter.js
index bba051933c7..8fc460081ec 100644
--- a/modules/adbroBidAdapter.js
+++ b/modules/adbroBidAdapter.js
@@ -2,6 +2,7 @@ import { ortbConverter } from '../libraries/ortbConverter/converter.js';
 import { registerBidder } from '../src/adapters/bidderFactory.js';
 import { BANNER } from '../src/mediaTypes.js';
 import { isArray, isInteger, triggerPixel } from '../src/utils.js';
+import { getConnectionType } from '../libraries/connectionInfo/connectionUtils.js';
 
 const BIDDER_CODE = 'adbro';
 const GVLID = 1316;
@@ -27,6 +28,7 @@ const converter = ortbConverter({
     const request = buildRequest(imps, bidderRequest, context);
 
     request.device.js = 1;
+    request.device.connectiontype ||= getConnectionType();
 
     return request;
   },
diff --git a/test/spec/modules/adbroBidAdapter_spec.js b/test/spec/modules/adbroBidAdapter_spec.js
index f60d0020ee0..39936aee3b6 100644
--- a/test/spec/modules/adbroBidAdapter_spec.js
+++ b/test/spec/modules/adbroBidAdapter_spec.js
@@ -86,6 +86,7 @@ describe('adbroBidAdapter', function () {
       expect(data).to.have.property('imp').that.is.an('array').with.lengthOf(1);
       expect(data).to.have.property('device').that.is.an('object');
       expect(data.device).to.have.property('js', 1);
+      expect(data.device).to.have.property('connectiontype').that.is.a('number');
     });
 
     it('Returns valid imps', function () {