Dual E220-900T22D with same Custom Firmware loaded llcc68_ping_pong
INFO: ===== LLCC68 Ping Pong =====

INFO: SDK version: 2.0.1-4-gc964966
INFO:
INFO: LLCC68 get default lora syncword=0x1424 (expected 0x1424)

INFO: Common RF parameters:
INFO:  Packet type   = LLCC68_PKT_TYPE_LORA
INFO:  RF Freq     = 868100000 Hz
INFO:  Output power  = 0 dBm
INFO:  Fallback mode  = LLCC68_FALLBACK_STDBY_RC
INFO:  Rx boost mode deactivated
INFO:
INFO: LoRa modulation parameters:
INFO:  Spreading Factor = LLCC68_LORA_SF7
INFO:  Bandwidth    = LLCC68_LORA_BW_125
INFO:  Coding rate   = LLCC68_LORA_CR_4_5
INFO:
INFO: LoRa packet parameters:
INFO:  Preamble length = 8 symbol(s)
INFO:  Header mode   = LLCC68_LORA_PKT_EXPLICIT
INFO:  Payload length  = 7
INFO:
INFO: LoRa sync word = 0x12