[Chip solution]：LR2021

[Operating frequency]：433MHz/470MHz/2.4GHz

[Transmit power]： 22/12dBm

[Communication distance]：5/2.2km

[Antenna type]：IPEX-1/stamp hole

[Product size]： 26*16mm

[Introduction]：The E80-400M2212S is a dual-band patch-type LoRa hardware SPI wireless module independently developed based on SEMTECH's LoRa Plus fourth-generation LoRa® IP—LR2021 chip, with transmit powers of 22dBm and 12dBm respectively. The module integrates an industrial-grade 32MHz high-precision active temperature-compensated crystal oscillator and supports Sub-GHz, 2.4GHz ISM bands, and licensed S-band terrestrial and satellite communication networks.