diff --git a/Protocol-and-compatibility.md b/Protocol-and-compatibility.md
index 8a13f9d..038022b 100644
--- a/Protocol-and-compatibility.md
+++ b/Protocol-and-compatibility.md
@@ -1,7 +1,7 @@
 # Protocol compatibility
 - Make sure LoRa sync word and other LoRa parameters match
 - **Normal/Client mode** should be interoperable with other clients, which transmit raw text APRS messages if KISS client sends them in this format to the modem
-  - NB! For interoperability with other APRS LoRa implementations, which do not use AX.25 frames, but use text based messages, need to use **TNC (plaintext TNC2)** APRSDroid connection protocol and set `cfg.EnableTextPackets/CFG_TEXT_PACKETS` to `true`, this way KISS will be disabled and TNC2 compatible mode will be activated
+  - NB! For interoperability with other APRS LoRa implementations, which do not use AX.25 frames, but use text based messages, need to use **TNC (plaintext TNC2)** APRSDroid connection protocol and set `cfg.EnableTextPackets/CFG_TEXT_PACKETS` to `true`, this way KISS will be disabled and TNC2 compatible mode will be activated. This option should be activated if you want to use modem with Bluetooth terminal applications.
 - **Server iGate** by default supports only classical `AX25` frames over LoRa (as defined in http://www.aprs.org/doc/APRS101.PDF page 12, see section below). It should enable interoperability with classical Linux APRS software, such as Xastir with `kissattach`. 
   - NB! Some popular LoRa ARPS implementations transfer plain text APRS messages over LoRa, for this mode operation need to set `cfg.EnableTextPackets/CFG_TEXT_PACKETS` to `true`, in this case iGate will transmit, receive and digirepeat text based APRS messages instead of classical AX25 frames.
 
@@ -20,4 +20,7 @@ At the link level, APRS uses the AX.25 protocol, as defined in AmateurPacket-Rad
 - Frame Check Sequence — The FCS is a sequence of 16 bits used for checking the integrity of a received frame.
 
 # APRS TNC2 text protocol
-TNC2 protocol does not use KISS, it sends text based APRS messages, multiple messages are separated by using new line character `\n`.
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+TNC2 protocol does not use KISS, it sends text based APRS messages, multiple messages are separated by using new line character `\n`.
+
+# Bluetooth terminal applications
+Set `cfg.EnableTextPackets/CFG_TEXT_PACKETS` to `true` to use modem for sending text based messages through Bluetooth terminal applications.
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