Most of my component recommendations are in Buyer's Guide.

Nordic nRF52840 product page;

• Seeed Studio XIAO nRF52840
• Seeed Studio XIAO nRF52840

STM32WLEx product page; note that this MCU has an integrated Semtech SX1262.

Meshtastic firmware support is still WIP (booting and functional, but no writeable configuration storage); see [Board]: STM32WL (Seeed Studio Wio-E5) #2539

• Seeed Studio Wio-E5 mini Dev Board

Note: Meshtastic only supports modules with SPI connectivity; UART modules are not supported.

Module	E22-900M22S	E22-900M30S	E22-900M33S
LoRa IC	Semtech SX1262
Maximum Tx Power	22 dBm	30 dBm	33 dBm
PA RFIC	N/A	Innotion YP2233W	Cemax ZDH1061
PA Gain	N/A	7 dB	25 dB
SX126X_MAX_POWER	22 dBm	22 dBm	9 dBm
LNA RFIC	N/A	NXP BFU520
LNA Gain	N/A	18 dB	18 dB
Rx Sensitivity (Datasheet)	-146 dBm	-150 dBm	-135 dBm
TXCO	YL 9S32000054

• S5NC has more resources (measurements, internal photographs) of CDEBYTE modules