[Chip solution]：LoRa solution

[Working frequency]：862～930MHz

[Transmit power]：20dBm

[Communication distance]：5.5km

[Product size]：26*16 mm

[Product weight]：2.2±0.1g

[Introduction]：E32-900T20S is a wireless serial port module (TTL level) based on Semtech's LoRa solution, with transparent transmission mode, working in the 862~930MHz frequency band, and using LoRa spread spectrum technology. At present, it has been stably mass-produced and has been widely used in the three-meter industry, Internet of Things transformation, smart home and other fields.