diff --git a/platformio.ini b/platformio.ini
index 35d3a61d..c6ed2aae 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -22,7 +22,6 @@ build_flags =
 	-DLH=8
 	-DLW=6
 	-DCONFIG_FILE='"/config.conf"'
-	
 lib_deps =
 	WireGuard-ESP32
 	IRremoteESP8266
@@ -34,6 +33,8 @@ lib_deps =
 	Timezone
 	ESP32Time
 	bblanchon/ArduinoJson
+	rc-switch
+	;https://github.com/Martin-Laclaustra/rc-switch.git#transmittimingsarray
 
 
 [env:m5stack-cplus2]
diff --git a/src/core/main_menu.cpp b/src/core/main_menu.cpp
index 5d47c981..0f8d3244 100644
--- a/src/core/main_menu.cpp
+++ b/src/core/main_menu.cpp
@@ -87,6 +87,7 @@ void rfOptions(){
   options = {
     //{"Scan/copy", [=]() { displayRedStripe("Scan/Copy"); }},
     //{"Replay",    [=]() { displayRedStripe("Replay"); }},
+    {"Custom SubGhz", [=]() { otherRFcodes(); }},
     {"Spectrum",    [=]() { rf_spectrum(); }}, //@IncursioHack
     {"Jammer Itmt", [=]() { rf_jammerIntermittent(); }}, //@IncursioHack
     {"Jammer Full", [=]() { rf_jammerFull(); }}, //@IncursioHack
diff --git a/src/modules/rf/rf.cpp b/src/modules/rf/rf.cpp
index 914a9dd6..caa3c345 100644
--- a/src/modules/rf/rf.cpp
+++ b/src/modules/rf/rf.cpp
@@ -151,4 +151,282 @@ void rf_jammerIntermittent() { //@IncursioHack - https://github.com/IncursioHack
 }
 
 
+struct RfCodes {
+  uint32_t frequency = 0;
+  String protocol = "";
+  String preset = "";
+  String data = "";
+  int te = 0;
+  String filepath = "";
+};
+
+
+#include <RCSwitch.h>
+
+void RCSwitch_send(uint64_t data, unsigned int bits, int pulse, int protocol, int repeat)
+{
+      RCSwitch mySwitch = RCSwitch();
+      mySwitch.enableTransmit(RfTx);
+      mySwitch.setProtocol(protocol);
+      if (pulse) { mySwitch.setPulseLength(pulse); }
+      mySwitch.setPulseLength(pulse);
+      mySwitch.setRepeatTransmit(repeat);
+      mySwitch.send(data, bits);
+}
+
+struct HighLow {
+    uint8_t high; // 1
+    uint8_t low;  //31
+};
+
+struct Protocol {
+    uint16_t pulseLength;  // base pulse length in microseconds, e.g. 350
+    HighLow syncFactor;
+    HighLow zero;
+    HighLow one;
+    bool invertedSignal;
+};
+
+// ported from https://github.com/sui77/rc-switch/blob/3a536a172ab752f3c7a58d831c5075ca24fd920b/RCSwitch.cpp
+
+void RCSwitch_RAW_send(int nTransmitterPin, int * ptrtransmittimings, struct Protocol protocol) {
+  if (nTransmitterPin == -1)
+    return;
+
+  if (!ptrtransmittimings)
+    return;
+
+  bool currentlogiclevel = true;
+  int nRepeatTransmit = 1;
+  //HighLow pulses ;
+  
+  for (int nRepeat = 0; nRepeat < nRepeatTransmit; nRepeat++) {
+    unsigned int currenttiming = 0;
+    while( ptrtransmittimings[currenttiming] ) {  // && currenttiming < RCSWITCH_MAX_CHANGES 
+        if(ptrtransmittimings[currenttiming] >= 0) {
+            currentlogiclevel = true;
+            //pulses = protocol.one;
+        } else {
+            // negative value
+            currentlogiclevel = false;
+            ptrtransmittimings[currenttiming] = (-1) * ptrtransmittimings[currenttiming];  // invert sign
+            //pulses = protocol.zero;
+        }
+      
+      digitalWrite(nTransmitterPin, currentlogiclevel ? HIGH : LOW);
+      delayMicroseconds( ptrtransmittimings[currenttiming] );
+      
+      /*
+      uint8_t firstLogicLevel = (protocol.invertedSignal) ? LOW : HIGH;
+      uint8_t secondLogicLevel = (protocol.invertedSignal) ? HIGH : LOW;
+      
+      digitalWrite(nTransmitterPin, firstLogicLevel);
+      delayMicroseconds( protocol.pulseLength * pulses.high);
+      digitalWrite(nTransmitterPin, secondLogicLevel);
+      delayMicroseconds( protocol.pulseLength * pulses.low);
+      * */
+      
+      Serial.print(ptrtransmittimings[currenttiming]);
+      Serial.print("=");
+      Serial.println(currentlogiclevel);
+      
+      currenttiming++;
+    }
+  digitalWrite(nTransmitterPin, LOW);
+  }  // end for
+}
+
+
+void sendRfCommand(struct RfCodes rfcode) { 
+      uint32_t frequency = rfcode.frequency;
+      String protocol = rfcode.protocol;
+      String preset = rfcode.preset;
+      String data = rfcode.data;
+/*
+    Serial.println("sendRawRfCommand");
+    Serial.println(data);
+    Serial.println(frequency);
+    Serial.println(preset);
+    Serial.println(protocol);
+  */  
+    if(frequency != 433920000) {
+        Serial.print("unsupported frequency: ");
+        Serial.println(frequency);
+        return;
+    }
+    // MEMO: frequency is fixed with some transmitters https://github.com/sui77/rc-switch/issues/256
+    // TODO: add frequency switching via CC1101  https://github.com/LSatan/SmartRC-CC1101-Driver-Lib
+    
+    // Radio preset name (configures modulation, bandwidth, filters, etc.).
+    struct Protocol rcswitch_protocol;
+    int rcswitch_protocol_no = 1;
+    if(preset == "FuriHalSubGhzPresetOok270Async") {
+        rcswitch_protocol_no = 1;
+        //  pulseLength , syncFactor , zero , one, invertedSignal
+        rcswitch_protocol = { 350, {  1, 31 }, {  1,  3 }, {  3,  1 }, false };
+    }
+    else if(preset == "FuriHalSubGhzPresetOok650Async") {
+        rcswitch_protocol_no = 2;
+        rcswitch_protocol = { 650, {  1, 10 }, {  1,  2 }, {  2,  1 }, false };
+    }
+    else {
+        Serial.print("unsupported preset: ");
+        Serial.println(preset);
+        return;
+    }
+    /*  supported flipper presets:
+        FuriHalSubGhzPresetIDLE, // < default configuration 
+        FuriHalSubGhzPresetOok270Async, ///< OOK, bandwidth 270kHz, asynchronous 
+        FuriHalSubGhzPresetOok650Async, ///< OOK, bandwidth 650kHz, asynchronous 
+        FuriHalSubGhzPreset2FSKDev238Async, //< FM, deviation 2.380371 kHz, asynchronous 
+        FuriHalSubGhzPreset2FSKDev476Async, //< FM, deviation 47.60742 kHz, asynchronous 
+        FuriHalSubGhzPresetMSK99_97KbAsync, //< MSK, deviation 47.60742 kHz, 99.97Kb/s, asynchronous 
+        FuriHalSubGhzPresetGFSK9_99KbAsync, //< GFSK, deviation 19.042969 kHz, 9.996Kb/s, asynchronous 
+        FuriHalSubGhzPresetCustom, //Custom Preset
+    */
+    
+    // init output pin
+    digitalWrite(RfTx, LED_OFF);
+    if(RfTx==0) RfTx=GROVE_SDA; // quick fix
+    pinMode(RfTx, OUTPUT);
+    
+    if(protocol == "RAW") {
+        // alloc buffer for transmittimings
+        int* transmittimings  = (int *) calloc(sizeof(int), data.length());  // should be smaller the data.length() 
+        size_t transmittimings_idx = 0;
+        
+        // split data into words, convert to int, and store them in transmittimings
+        String curr_word = "";
+        int curr_val = 0;
+        for(int i=0; i<data.length(); i++) {
+            if(isspace(data[i])) {
+                if(curr_word == "") continue;  // skip if empty
+                // else append to transmittimings
+                //transmittimings[transmittimings_idx] = curr_word.toInt();  // does not handle negative numbers
+                transmittimings[transmittimings_idx] = atoi(curr_word.c_str());
+                //if(transmittimings[transmittimings_idx]==0)  invalid int?
+                transmittimings_idx += 1;
+                curr_word = "";  // reset
+                
+            } else {
+                curr_word += data[i];  // append to current word
+            }
+        }
+        transmittimings[transmittimings_idx] = 0;  // termination
+          
+        // send rf command
+        displayRedStripe("Sending..",TFT_WHITE,FGCOLOR);
+        //mySwitch.send(transmittimings);  // req. forked ver
+        RCSwitch_RAW_send(RfTx, transmittimings, rcswitch_protocol);
+        free(transmittimings);
+    }
+    else if(protocol == "RcSwitch") {
+        data.replace(" ", "");  // remove spaces
+        uint64_t data_val = strtoul(data.c_str(), nullptr, 16);
+        int bits = data.length() * 4;
+        int pulse = rfcode.te;  // not sure about this...
+        int repeat = 10;
+        /*
+        Serial.print("RcSwitch: ");
+        Serial.println(data);
+        Serial.println(bits);
+        Serial.println(pulse);
+        Serial.println(rcswitch_protocol_no);
+        * */
+        displayRedStripe("Sending..",TFT_WHITE,FGCOLOR);
+        RCSwitch_send(data_val, bits, pulse, rcswitch_protocol_no, repeat);
+    }
+    else {
+        Serial.print("unsupported protocol: ");
+        Serial.println(protocol);
+        return;
+    }
+    
+    digitalWrite(RfTx, LED_OFF);
+}
+
+
+RfCodes recent_rfcodes[16];  // TODO: save/load in EEPROM
+int recent_rfcodes_last_used = 0;  // TODO: save/load in EEPROM
+
+void addToRecentCodes(struct RfCodes rfcode)  {
+    // copy rfcode -> recent_rfcodes[recent_rfcodes_last_used]
+    recent_rfcodes[recent_rfcodes_last_used] = rfcode;
+    recent_rfcodes_last_used += 1;
+    if(recent_rfcodes_last_used == 16) recent_rfcodes_last_used  = 0; // cycle
+}
+
+struct RfCodes selectRecentRfMenu() {
+    // show menu with filenames
+    options = { };
+    bool exit = false;
+    struct RfCodes selected_code;
+    for(int i=0; i<16; i++) {
+        if(recent_rfcodes[i].filepath=="") continue; // not inited
+        // else
+        options.push_back({ recent_rfcodes[i].filepath.c_str(), [i, &selected_code](){ selected_code = recent_rfcodes[i]; }});
+    }
+    options.push_back({ "Main Menu" , [&](){ exit=true; }});    
+    delay(200);
+    loopOptions(options);
+    return(selected_code);
+}
+    
+void otherRFcodes() {
+  File databaseFile;
+  FS *fs = NULL;
+  String filepath = "";
+  struct RfCodes selected_code;
+  options = {
+      {"Recent", [&]()  { selected_code = selectRecentRfMenu(); }},
+      {"LittleFS", [&]()   { fs=&LittleFS; }},
+  };
+  if(setupSdCard()) options.push_back({"SD Card", [&]()  { fs=&SD; }});    
+
+  delay(200);
+  loopOptions(options);
+  delay(200);
+  
+  if(fs == NULL) {  // recent menu was selected
+    if(selected_code.filepath!="") sendRfCommand(selected_code);  // a code was selected
+    return;
+    // no need to proceed, go back
+  }
+  
+  //filepath = loopSD(*fs, true, "SUB");
+  filepath = loopSD(*fs, true);
+  databaseFile = fs->open(filepath, FILE_READ);
+  drawMainBorder();
+  
+  if (!databaseFile) {
+    Serial.println("Failed to open database file.");
+    displayError("Fail to open file");
+    delay(2000);
+    return;
+  }
+  Serial.println("Opened sub file.");
+  selected_code.filepath = filepath.substring( 1 + filepath.lastIndexOf("/") );
+  
+  // format specs: https://github.com/flipperdevices/flipperzero-firmware/blob/dev/documentation/file_formats/SubGhzFileFormats.md
+  String line;
+  String txt;
+  while (databaseFile.available() ) {
+      line = databaseFile.readStringUntil('\n');
+      txt=line.substring(line.indexOf(":") + 1);
+      txt.trim();
+      if(line.startsWith("Protocol:"))  selected_code.protocol = txt;
+      if(line.startsWith("Preset:"))   selected_code.preset = txt;
+      if(line.startsWith("Frequency:")) selected_code.frequency = txt.toInt();
+      if(line.startsWith("TE:")) selected_code.te = txt.toInt();
+      if(line.startsWith("RAW_Data:") || line.startsWith("Key:")) { selected_code.data += txt; }
+  }
+  databaseFile.close();
+    
+  addToRecentCodes(selected_code);
+  sendRfCommand(selected_code);
+    
+  // TODO: menu to resend command/pick another file from the same dir?
+
+  digitalWrite(RfTx, LED_OFF);
+}
 
diff --git a/src/modules/rf/rf.h b/src/modules/rf/rf.h
index a5116b51..75053a86 100644
--- a/src/modules/rf/rf.h
+++ b/src/modules/rf/rf.h
@@ -15,4 +15,7 @@ const int PCA9554TRX_PIN = 0;
 
 void rf_spectrum();
 void rf_jammerIntermittent();
-void rf_jammerFull();
\ No newline at end of file
+void rf_jammerFull();
+void otherRFcodes();
+
+void RCSwitch_send(uint64_t data, unsigned int bits, int pulse=0, int protocol=1, int repeat=10);