[Chip Solution]:LoRa Solution
[Frequency]:410.125-493.125 MHz
[RF Interface]:IPEX/Stamp Hole
[Communication distance]: 25km
[Size]: 50*30.9mm
[Product weight]:10.3±0.1g
[Introduction]:E22-400T37S is a wireless serial port module (UART) based on SEMTECH's LoRa solution. It has multiple transmission methods, works in the (410.125~493.125MHz) frequency band (default 433.125MHz), LoRa spread spectrum technology, TTL level output, supports 4 5 V - 15V supply voltage.


















[Chip solution]:LoRa solution
[Frequency]:850.125~930.125MHz
[Transmission power]:22dBm
[Communication distance]:5km
[Size]:45.3*27.8*11.2mm
[Product weight]:8.4±0.1g

[Chip solution]:LoRa solution
[Frequency]:410.125 ~ 493.125MHz
[Transmit power]:33dBm
[Communication distance]:16km
[Size]:25*40.5mm
[Product weight]:5.8±0.1g

[Chip solution]:LoRa solution
[Frequency]:433MHz
[Transmitter power]:22dBm
[Communication distance]:5km
[Size]:16*26mm
[Product weight]:2.3±0.1g

[Chip solution]:LoRa solution
[Frequency]:850.125~930.125MHz
[Transmitter power]:30dBm
[Communication distance]:10km
[Size]:25*40.5mm
[Product weight]:5.8±0.1g