LoRa E32-900T30D not receiving fixed messages

Hello. I'm trying to implement the communication between two modules, using your sendFixedTransmission and receiveFixedTransmission on your E32 library. I have an Arduino Mega for both modules, with pins connected as: * M0 ----- 30 * M1 ----- 31 * TX ----- Serial2 * RX ----- Serial2 * AUX ----- 32 * VCC ----- 5v * GND ----- GND Both RX and TX have a level shifter for the 3.3V communication. I've tried using both the EBYTE software configuration and the arduino code. With the EBYTE configuration, the result for receiver is: 18:03:55.439 -> RX MIC ---> -1 18:03:55.439 -> TX MIC ---> -1 18:03:55.487 -> AUX ---> 32 18:03:55.487 -> M0 ---> 30 18:03:55.487 -> M1 ---> 31 18:03:55.534 -> Init AUX pin! 18:03:55.534 -> Init M0 pin! 18:03:55.534 -> Init M1 pin! 18:03:55.534 -> Begin ex 18:03:55.534 -> Begin Hardware Serial 18:03:55.582 -> Begin 18:03:55.582 -> MODE NORMAL! 18:03:55.915 -> AUX HIGH! 18:03:55.962 -> Complete! 18:03:56.010 -> MODE PROGRAM/SLEEP! 18:03:56.057 -> AUX HIGH! 18:03:56.057 -> Complete! 18:03:56.105 -> AUX HIGH! 18:03:56.105 -> Complete! 18:03:56.151 -> MODE NORMAL! 18:03:56.199 -> AUX HIGH! 18:03:56.246 -> Complete! 18:03:56.295 -> MODE PROGRAM/SLEEP! 18:03:56.295 -> AUX HIGH! 18:03:56.341 -> Complete! 18:03:57.382 -> Available buffer: 0 structure size: 6 18:03:57.430 -> ---------------------------------------- 18:03:57.477 -> HEAD : 111001 57 39 18:03:57.477 -> 18:03:57.477 -> AddH : 101 18:03:57.477 -> AddL : 21 18:03:57.524 -> Chan : 54 -> 916MHz 18:03:57.524 -> 18:03:57.524 -> SpeedParityBit : 10 -> 8E1 18:03:57.571 -> SpeedUARTDatte : 1 -> 2400bps 18:03:57.618 -> SpeedAirDataRate : 110 -> 19.2kbps 18:03:57.618 -> OptionTrans : 0 -> Transparent transmission (default) 18:03:57.713 -> OptionPullup : 0 -> TXD, RXD, AUX are open-collectors 18:03:57.760 -> OptionWakeup : 1 -> 500ms 18:03:57.807 -> OptionFEC : 1 -> Turn on Forward Error Correction Switch (Default) 18:03:57.902 -> OptionPower : 1 -> 17dBm 18:03:57.949 -> ---------------------------------------- 18:03:57.949 -> MODE NORMAL! 18:03:57.996 -> AUX HIGH! 18:03:57.996 -> Complete! 18:03:57.996 -> ---------------------------------------- 18:03:58.043 -> HEAD : 111001 57 39 18:03:58.090 -> 18:03:58.090 -> AddH : 101 18:03:58.090 -> AddL : 21 18:03:58.090 -> Chan : 54 -> 916MHz 18:03:58.090 -> 18:03:58.090 -> SpeedParityBit : 10 -> 8E1 18:03:58.137 -> SpeedUARTDatte : 1 -> 2400bps 18:03:58.184 -> SpeedAirDataRate : 110 -> 19.2kbps 18:03:58.231 -> OptionTrans : 0 -> Transparent transmission (default) 18:03:58.326 -> OptionPullup : 0 -> TXD, RXD, AUX are open-collectors 18:03:58.326 -> OptionWakeup : 1 -> 500ms 18:03:58.373 -> OptionFEC : 1 -> Turn on Forward Error Correction Switch (Default) 18:03:58.469 -> OptionPower : 1 -> 17dBm 18:03:58.516 -> ---------------------------------------- 18:03:58.564 -> 18:03:58.564 -> Start listening! As for the sender: 18:03:55.566 -> RX MIC ---> -1 18:03:55.566 -> TX MIC ---> -1 18:03:55.566 -> AUX ---> 32 18:03:55.566 -> M0 ---> 30 18:03:55.566 -> M1 ---> 31 18:03:55.614 -> Init AUX pin! 18:03:55.614 -> Init M0 pin! 18:03:55.661 -> Init M1 pin! 18:03:55.661 -> Begin ex 18:03:55.661 -> Begin Hardware Serial 18:03:55.661 -> Begin 18:03:55.661 -> MODE NORMAL! 18:03:56.041 -> AUX HIGH! 18:03:56.089 -> Complete! 18:03:56.136 -> MODE PROGRAM/SLEEP! 18:03:56.136 -> AUX HIGH! 18:03:56.183 -> Complete! 18:03:57.226 -> Available buffer: 0 structure size: 6 18:03:57.273 -> ---------------------------------------- 18:03:57.319 -> HEAD : 1000111 71 47 18:03:57.319 -> 18:03:57.319 -> AddH : 84 18:03:57.319 -> AddL : 247 18:03:57.366 -> Chan : 235 -> 1097MHz 18:03:57.366 -> 18:03:57.366 -> SpeedParityBit : 11 -> 8N1 18:03:57.414 -> SpeedUARTDatte : 110 -> 57600bps 18:03:57.414 -> SpeedAirDataRate : 1 -> 1.2kbps 18:03:57.508 -> OptionTrans : 1 -> Fixed transmission (first three bytes can be used as high/low address and channel) 18:03:57.603 -> OptionPullup : 1 -> TXD, RXD, AUX are push-pulls/pull-ups 18:03:57.649 -> OptionWakeup : 100 -> 1250ms 18:03:57.698 -> OptionFEC : 1 -> Turn on Forward Error Correction Switch (Default) 18:03:57.792 -> OptionPower : 1 -> 17dBm 18:03:57.839 -> ---------------------------------------- 18:03:57.886 -> MODE NORMAL! 18:03:57.886 -> AUX HIGH! 18:03:57.933 -> Complete! 18:03:57.933 -> ---------------------------------------- 18:03:57.933 -> HEAD : 1000111 71 47 18:03:57.980 -> 18:03:57.980 -> AddH : 1010100 18:03:57.980 -> AddL : 11110111 18:03:58.028 -> Chan : 235 -> 1097MHz 18:03:58.028 -> 18:03:58.028 -> SpeedParityBit : 11 -> 8N1 18:03:58.074 -> SpeedUARTDatte : 110 -> 57600bps 18:03:58.121 -> SpeedAirDataRate : 1 -> 1.2kbps 18:03:58.168 -> OptionTrans : 1 -> Fixed transmission (first three bytes can be used as high/low address and channel) 18:03:58.263 -> OptionPullup : 1 -> TXD, RXD, AUX are push-pulls/pull-ups 18:03:58.310 -> OptionWakeup : 100 -> 1250ms 18:03:58.357 -> OptionFEC : 1 -> Turn on Forward Error Correction Switch (Default) 18:03:58.453 -> OptionPower : 1 -> 17dBm 18:03:58.501 -> ---------------------------------------- 18:04:00.492 -> Send message to 00 03 04 18:04:00.492 -> AUX HIGH! 18:04:00.492 -> Complete! 18:04:00.492 -> Clear buffer...ok! 18:04:00.539 -> Success If I use the arduino code, the receiver: 18:31:04.793 -> RX MIC ---> -1 18:31:04.793 -> TX MIC ---> -1 18:31:04.840 -> AUX ---> 32 18:31:04.840 -> M0 ---> 30 18:31:04.840 -> M1 ---> 31 18:31:04.888 -> Init AUX pin! 18:31:04.888 -> Init M0 pin! 18:31:04.888 -> Init M1 pin! 18:31:04.888 -> Begin ex 18:31:04.888 -> Begin Hardware Serial 18:31:04.935 -> Begin 18:31:04.935 -> MODE NORMAL! 18:31:05.313 -> AUX HIGH! 18:31:05.313 -> Complete! 18:31:05.361 -> MODE PROGRAM/SLEEP! 18:31:05.408 -> AUX HIGH! 18:31:05.408 -> Complete! 18:31:05.455 -> AUX HIGH! 18:31:05.502 -> Complete! 18:31:05.549 -> MODE NORMAL! 18:31:05.596 -> AUX HIGH! 18:31:05.596 -> Complete! 18:31:05.643 -> MODE PROGRAM/SLEEP! 18:31:05.691 -> AUX HIGH! 18:31:05.691 -> Complete! 18:31:06.778 -> Available buffer: 0 structure size: 6 18:31:06.778 -> ---------------------------------------- 18:31:06.825 -> HEAD : 111001 57 39 18:31:06.872 -> 18:31:06.872 -> AddH : 117 18:31:06.872 -> AddL : 55 18:31:06.872 -> Chan : 54 -> 916MHz 18:31:06.872 -> 18:31:06.872 -> SpeedParityBit : 10 -> 8E1 18:31:06.919 -> SpeedUARTDatte : 11 -> 9600bps (default) 18:31:07.014 -> SpeedAirDataRate : 110 -> 19.2kbps 18:31:07.014 -> OptionTrans : 0 -> Transparent transmission (default) 18:31:07.109 -> OptionPullup : 0 -> TXD, RXD, AUX are open-collectors 18:31:07.156 -> OptionWakeup : 1 -> 500ms 18:31:07.203 -> OptionFEC : 1 -> Turn on Forward Error Correction Switch (Default) 18:31:07.250 -> OptionPower : 1 -> 17dBm 18:31:07.297 -> ---------------------------------------- 18:31:07.345 -> MODE NORMAL! 18:31:07.345 -> AUX HIGH! 18:31:07.393 -> Complete! 18:31:07.439 -> MODE PROGRAM/SLEEP! 18:31:07.439 -> AUX HIGH! 18:31:07.487 -> Complete! 18:31:07.534 -> AUX HIGH! 18:31:07.581 -> Complete! 18:31:07.581 -> Clear buffer...ok! 18:31:07.581 -> ---------------------------------------- 18:31:07.628 -> HEAD BIN INSIDE: 11000000 192 C0 18:31:07.676 -> ---------------------------------------- 18:31:07.676 -> MODE NORMAL! 18:31:07.723 -> AUX HIGH! 18:31:07.723 -> Complete! 18:31:07.723 -> ---------------------------------------- 18:31:07.771 -> HEAD : 111001 57 39 18:31:07.818 -> 18:31:07.818 -> AddH : 0 18:31:07.818 -> AddL : 3 18:31:07.865 -> Chan : 4 -> 866MHz 18:31:07.865 -> 18:31:07.865 -> SpeedParityBit : 10 -> 8E1 18:31:07.865 -> SpeedUARTDatte : 11 -> 9600bps (default) 18:31:07.959 -> SpeedAirDataRate : 110 -> 19.2kbps 18:31:07.959 -> OptionTrans : 1 -> Fixed transmission (first three bytes can be used as high/low address and channel) 18:31:08.101 -> OptionPullup : 0 -> TXD, RXD, AUX are open-collectors 18:31:08.149 -> OptionWakeup : 1 -> 500ms 18:31:08.196 -> OptionFEC : 1 -> Turn on Forward Error Correction Switch (Default) 18:31:08.290 -> OptionPower : 1 -> 17dBm 18:31:08.290 -> ---------------------------------------- 18:31:08.337 -> 18:31:08.337 -> Start listening! And the sender: 18:31:04.919 -> RX MIC ---> -1 18:31:04.919 -> TX MIC ---> -1 18:31:04.919 -> AUX ---> 32 18:31:04.919 -> M0 ---> 30 18:31:04.919 -> M1 ---> 31 18:31:04.966 -> Init AUX pin! 18:31:04.966 -> Init M0 pin! 18:31:05.014 -> Init M1 pin! 18:31:05.014 -> Begin ex 18:31:05.014 -> Begin Hardware Serial 18:31:05.014 -> Begin 18:31:05.014 -> MODE NORMAL! 18:31:05.392 -> AUX HIGH! 18:31:05.439 -> Complete! 18:31:05.486 -> MODE PROGRAM/SLEEP! 18:31:05.486 -> AUX HIGH! 18:31:05.533 -> Complete! 18:31:06.574 -> Available buffer: 0 structure size: 6 18:31:06.621 -> ---------------------------------------- 18:31:06.668 -> HEAD : 1000111 71 47 18:31:06.668 -> 18:31:06.668 -> AddH : 84 18:31:06.668 -> AddL : 215 18:31:06.715 -> Chan : 235 -> 1097MHz 18:31:06.715 -> 18:31:06.715 -> SpeedParityBit : 11 -> 8N1 18:31:06.762 -> SpeedUARTDatte : 110 -> 57600bps 18:31:06.809 -> SpeedAirDataRate : 0 -> 0.3kbps 18:31:06.856 -> OptionTrans : 1 -> Fixed transmission (first three bytes can be used as high/low address and channel) 18:31:06.951 -> OptionPullup : 1 -> TXD, RXD, AUX are push-pulls/pull-ups 18:31:07.045 -> OptionWakeup : 110 -> 1750ms 18:31:07.045 -> OptionFEC : 1 -> Turn on Forward Error Correction Switch (Default) 18:31:07.140 -> OptionPower : 1 -> 17dBm 18:31:07.188 -> ---------------------------------------- 18:31:07.235 -> MODE NORMAL! 18:31:07.235 -> AUX HIGH! 18:31:07.235 -> Complete! 18:31:07.282 -> MODE PROGRAM/SLEEP! 18:31:07.329 -> AUX HIGH! 18:31:07.329 -> Complete! 18:31:07.377 -> AUX HIGH! 18:31:07.424 -> Complete! 18:31:07.424 -> Clear buffer...ok! 18:31:07.424 -> ---------------------------------------- 18:31:07.518 -> HEAD BIN INSIDE: 11000000 192 C0 18:31:07.518 -> ---------------------------------------- 18:31:07.565 -> MODE NORMAL! 18:31:07.565 -> AUX HIGH! 18:31:07.612 -> Complete! 18:31:07.612 -> ---------------------------------------- 18:31:07.659 -> HEAD : 1000111 71 47 18:31:07.707 -> 18:31:07.707 -> AddH : 0 18:31:07.707 -> AddL : 1 18:31:07.707 -> Chan : 2 -> 864MHz 18:31:07.707 -> 18:31:07.707 -> SpeedParityBit : 11 -> 8N1 18:31:07.754 -> SpeedUARTDatte : 110 -> 57600bps 18:31:07.802 -> SpeedAirDataRate : 0 -> 0.3kbps 18:31:07.802 -> OptionTrans : 1 -> Fixed transmission (first three bytes can be used as high/low address and channel) 18:31:07.943 -> OptionPullup : 1 -> TXD, RXD, AUX are push-pulls/pull-ups 18:31:08.038 -> OptionWakeup : 110 -> 1750ms 18:31:08.038 -> OptionFEC : 1 -> Turn on Forward Error Correction Switch (Default) 18:31:08.134 -> OptionPower : 1 -> 17dBm 18:31:08.180 -> ---------------------------------------- 18:31:10.158 -> Send message to 00 03 04 18:31:10.158 -> AUX HIGH! 18:31:10.206 -> Complete! 18:31:10.206 -> Clear buffer...ok! 18:31:10.206 -> Success 18:31:12.190 -> Send message to 00 03 04 18:31:12.190 -> AUX HIGH! 18:31:12.237 -> Complete! 18:31:12.237 -> Clear buffer...ok! 18:31:12.237 -> Success 18:31:14.217 -> Send message to 00 03 04 18:31:14.217 -> AUX HIGH! 18:31:14.217 -> Complete! 18:31:14.217 -> Clear buffer...ok! Both modules are receiving enough power from an external source, and I've used a ESP-05 in Serial2 to test it and it's working fine. What else can I check?