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diff --git a/doc/telemetry.xsl b/doc/telemetry.xsl
index 73a9f900..fa66bff9 100644
--- a/doc/telemetry.xsl
+++ b/doc/telemetry.xsl
@@ -704,6 +704,74 @@
+
+ TeleDongle packet format
+
+ TeleDongle does not do any interpretation of the packet data,
+ instead it is configured to receive packets of a specified
+ length (32 bytes in this case). For each received packet,
+ TeleDongle produces a single line of text. This line starts with
+ the string "TELEM " and is followed by a list of hexadecimal
+ encoded bytes.
+
+ TELEM 224f01080b05765e00701f1a1bbeb8d7b60b070605140c000600000000000000003fa988
+
+ The hexadecimal encoded string of bytes contains a length byte,
+ the packet data, two bytes added by the cc1111 radio receiver
+ hardware and finally a checksum so that the host software can
+ validate that the line was transmitted without any errors.
+
+
+
+
+
+
+
+
+
+ Offset
+ Name
+ Example
+ Description
+
+
+
+
+ 0
+ length
+ 22
+ Total length of data bytes in the line. Note that
+ this includes the added RSSI and status bytes
+
+
+ 1 ·· length-3
+ packet
+ 4f ·· 00
+ Bytes of actual packet data
+
+
+ length-2
+ rssi
+ 3f
+ Received signal strength. dBm = rssi / 2 - 74
+
+
+ length-1
+ lqi
+ a9
+ Link Quality Indicator and CRC status. Bit 7
+ is set when the CRC is correct
+
+
+ length
+ checksum
+ 88
+ (0x5a + sum(bytes 1 ·· length-1)) % 256
+
+
+
+
+