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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>BLE NUS Data Length 243 Bytes instead of 244 Bytes</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/103152/ble-nus-data-length-243-bytes-instead-of-244-bytes</link><description>Hello, 
 Utilizing NRF52840 with the NUS profile + 2Mbps PHY + DLE enabled. 
 NRF_SDH_BLE_GAP_DATA_LENGTH = 251 
 NRF_SDH_BLE_GATT_MAX_MTU_SIZE = 247 
 Testing with iOS, data transmit / receive is working fine, however I can only receive 243 bytes whereas</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Thu, 11 Sep 2025 15:09:22 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/103152/ble-nus-data-length-243-bytes-instead-of-244-bytes" /><item><title>RE: BLE NUS Data Length 243 Bytes instead of 244 Bytes</title><link>https://devzone.nordicsemi.com/thread/548522?ContentTypeID=1</link><pubDate>Thu, 11 Sep 2025 15:09:22 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:cafa9ed2-348e-430d-8351-92e9526c1c5f</guid><dc:creator>L.Marie</dc:creator><description>&lt;p&gt;Hi,&amp;nbsp;&lt;br /&gt;I observe the same issue.&lt;br /&gt;Could you tell me how you managed it?&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: BLE NUS Data Length 243 Bytes instead of 244 Bytes</title><link>https://devzone.nordicsemi.com/thread/443215?ContentTypeID=1</link><pubDate>Fri, 25 Aug 2023 20:05:17 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:27f0e02e-db34-42bd-b878-43944120d290</guid><dc:creator>kdot88</dc:creator><description>&lt;p&gt;Hi Sigurd,&lt;/p&gt;
&lt;p&gt;This turned out to be an issue on our configuration on the iOS side.&amp;nbsp; Thanks for the reply but we can close this ticket.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: BLE NUS Data Length 243 Bytes instead of 244 Bytes</title><link>https://devzone.nordicsemi.com/thread/443148?ContentTypeID=1</link><pubDate>Fri, 25 Aug 2023 10:45:21 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:66603a18-ed57-4df5-b024-a4f9d71c6037</guid><dc:creator>Sigurd</dc:creator><description>&lt;p&gt;Hi,&lt;/p&gt;
&lt;p&gt;I&amp;#39;m not sure how you are testing this, if I were to guess, it could be that last &lt;span&gt;character is the&lt;/span&gt;&amp;nbsp;new line character, &amp;#39;\n&amp;#39;, at the end, and that it therefore seems like it&amp;#39;s missing one&amp;nbsp;&lt;span&gt;character.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;But we likely would need some nrf_logs, and sniffer logs to confirm:&amp;nbsp;&lt;a href="https://www.nordicsemi.com/Products/Development-tools/nrf-sniffer-for-bluetooth-le"&gt;https://www.nordicsemi.com/Products/Development-tools/nrf-sniffer-for-bluetooth-le&lt;/a&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>