diff --git a/README.md b/README.md
index 72258c9..8c79e06 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ This project has not been prepared to handle proxying in a production-ready rele
 
 ### 4G LTE
 - Connected band
+- Carrier Aggregation (Download, Upload, Bands)
 - Current/Best RSRP
 - Current/Best SNR
 - Current/Best RSRQ
diff --git a/src/App.css b/src/App.css
index 303cbb7..0f1b570 100644
--- a/src/App.css
+++ b/src/App.css
@@ -79,6 +79,7 @@ dl {
   margin-top: 0.25rem;
 }
 dl dt {
+  flex-basis: 50%;
   width: 40%;
   font-weight: bold;
 }
diff --git a/src/App.js b/src/App.js
index c1e6f96..a9f3e0d 100644
--- a/src/App.js
+++ b/src/App.js
@@ -82,7 +82,17 @@ function App() {
     const date = new Date();
     const primary = {...json['cell_LTE_stats_cfg'][0]['stat']};
     const secondary = {...json['cell_5G_stats_cfg'][0]['stat']};
-    setData(data => [...data.slice(-24), {date, time: `${date.getHours()}:${date.getMinutes()}:${date.getSeconds()}` , lte: primary, nr: secondary}]);
+    if (primary['RSRPStrengthIndexCurrent'] === 0) {
+      primary['SNRCurrent'] = null;
+      primary['RSRPCurrent'] = null;
+      primary['RSRQCurrent'] = null;
+    }
+    if (secondary['RSRPStrengthIndexCurrent'] === 0) {
+      secondary['SNRCurrent'] = null;
+      secondary['RSRPCurrent'] = null;
+      secondary['RSRQCurrent'] = null;
+    }
+    setData(data => [...data.slice(-24), {date, time: `${date.getHours()}:${date.getMinutes()}:${date.getSeconds()}` , lte: primary, nr: secondary, ca: { ...json['cell_CA_stats_cfg'][0] }}]);
   }, 2000);
 
   return (
@@ -96,9 +106,10 @@ function App() {
             main={true}
             band={data.length ? data.slice(-1)[0].lte.Band : 'N/A'}
             RSRPCurrent={data.length ? data.slice(-1)[0].lte.RSRPCurrent : null}
-            RSRPBest={data.length ? data.map(plot => plot.lte.RSRPCurrent).reduce((best, val) => val > best ? val : best, -140) : null}
+            RSRPBest={data.length ? data.map(plot => plot.lte.RSRPCurrent).filter(val => val !== null).reduce((best, val) => val > best ? val : best, -140) : null}
             SNRCurrent={data.length ? data.slice(-1)[0].lte.SNRCurrent : null}
-            SNRBest={data.length ? data.map(plot => plot.lte.SNRCurrent).reduce((best, val) => val > best ? val : best, -19.5) : null}
+            SNRBest={data.length ? data.map(plot => plot.lte.SNRCurrent).filter(val => val !== null).reduce((best, val) => val > best ? val : best, -19.5) : null}
+            CA={data.length ? data.slice(-1)[0].ca /* "ca":{ "X_ALU_COM_DLCarrierAggregationNumberOfEntries":1, "X_ALU_COM_ULCarrierAggregationNumberOfEntries":0 ,"1":{"PhysicalCellID":49, "ScellBand":"B2", "ScellChannel":675 }} }]} */ : null }
           />
           <Card
             signal="nr"
@@ -106,9 +117,9 @@ function App() {
             main={true}
             band={data.length ? data.slice(-1)[0].nr.Band : 'N/A'}
             RSRPCurrent={data.length ? data.slice(-1)[0].nr.RSRPCurrent : null}
-            RSRPBest={data.length ? data.map(plot => plot.nr.RSRPCurrent).reduce((best, val) => val > best ? val : best, -140) : null}
+            RSRPBest={data.length ? data.map(plot => plot.nr.RSRPCurrent).filter(val => val !== null).reduce((best, val) => val > best ? val : best, -140) : null}
             SNRCurrent={data.length ? data.slice(-1)[0].nr.SNRCurrent : null}
-            SNRBest={data.length ? data.map(plot => plot.nr.SNRCurrent).reduce((best, val) => val > best ? val : best, -19.5) : null}
+            SNRBest={data.length ? data.map(plot => plot.nr.SNRCurrent).filter(val => val !== null).reduce((best, val) => val > best ? val : best, -19.5) : null}
           />
         </div>
       </header>
@@ -122,14 +133,14 @@ function App() {
             title="4G LTE"
             main={false}
             RSRQCurrent={data.length ? data.slice(-1)[0].lte.RSRQCurrent : null}
-            RSRQBest={data.length ? data.map(plot => plot.lte.RSRQCurrent).reduce((best, val) => val > best ? val : best, -19.5) : null}
+            RSRQBest={data.length ? data.map(plot => plot.lte.RSRQCurrent).filter(val => val !== null).reduce((best, val) => val > best ? val : best, -19.5) : null}
           />
           <Card
             signal="nr"
             title="5G NR"
             main={false}
             RSRQCurrent={data.length ? data.slice(-1)[0].nr.RSRQCurrent : null}
-            RSRQBest={data.length ? data.map(plot => plot.nr.RSRQCurrent).reduce((best, val) => val > best ? val : best, -19.5) : null}
+            RSRQBest={data.length ? data.map(plot => plot.nr.RSRQCurrent).filter(val => val !== null).reduce((best, val) => val > best ? val : best, -19.5) : null}
           />
         </div>
       </header>
diff --git a/src/components/card.js b/src/components/card.js
index b1f2602..cf0df97 100644
--- a/src/components/card.js
+++ b/src/components/card.js
@@ -7,7 +7,22 @@ function Card(props) {
       <h2>{props.title}</h2>
       {props.main ? (
         <>
-          <h3>Band {props.band}</h3>
+          <h3>Band {props.band ? props.band : 'N/A'}</h3>
+          {props.signal === 'lte' && props.CA ? (
+            <>
+            <h3>Carrier Aggregation</h3>
+            <dl>
+              <dt>Download</dt>
+              <dd>{props.CA.ca.X_ALU_COM_DLCarrierAggregationNumberOfEntries ? `+{props.CA.ca.X_ALU_COM_DLCarrierAggregationNumberOfEntries}` : 'None'}</dd>
+              <dt>Upload</dt>
+              <dd>{props.CA.ca.X_ALU_COM_ULCarrierAggregationNumberOfEntries ? `+{props.CA.ca.X_ALU_COM_ULCarrierAggregationNumberOfEntries}` : 'None'}</dd>
+              {Object.keys(props.CA.ca).filter(key => props.CA.ca.hasOwnProperty(key) && !isNaN(key)).map(key => <>
+                <dt>CA Add({key})</dt>
+                <dd>Band {props.CA.ca[key]['ScellBand']}</dd>
+              </> )}
+            </dl>
+            </>
+          ) : props.signal === 'lte' ? 'NO CA' : ''}
           <h3>RSRP</h3>
           <dl>
             <dt>Current:</dt>
@@ -16,7 +31,7 @@ function Card(props) {
               <>
               {props.RSRPCurrent} <span className="unit">dBm</span>
               </>
-              ) : ''}
+              ) : 'N/A'}
             </dd>
             <dt>Best:</dt>
             <dd>
@@ -24,7 +39,7 @@ function Card(props) {
               <>
               {props.RSRPBest} <span className="unit">dBm</span>
               </>
-              )  : ''}
+              )  : 'N/A'}
             </dd>
           </dl>
           <h3>SNR</h3>
@@ -35,7 +50,7 @@ function Card(props) {
               <>
               {props.SNRCurrent} <span className="unit">dB</span>
               </>
-              ) : ''}
+              ) : 'N/A'}
             </dd>
             <dt>Best:</dt>
             <dd>
@@ -43,7 +58,7 @@ function Card(props) {
               <>
               {props.SNRBest} <span className="unit">dB</span>
               </>
-                ) : ''}
+                ) : 'N/A'}
             </dd>
           </dl>
         </>
@@ -57,7 +72,7 @@ function Card(props) {
               <>
               {props.RSRQCurrent} <span className="unit">dB</span>
               </>
-              ) : ''}
+              ) : 'N/A'}
             </dd>
             <dt>Best:</dt>
             <dd>
@@ -65,7 +80,7 @@ function Card(props) {
               <>
               {props.RSRQBest} <span className="unit">dB</span>
               </>
-              ) : ''}
+              ) : 'N/A'}
             </dd>
           </dl>
         </>