[Operating frequency]：410~493MHz

[Transmitting power]：33dBm

[Communication distance]：16km

[Product size]：38.5*24mm

[Introduction]：E220-400M33S is based on the new generation of LoRaTM RF chip LLCC68 produced by Semtech. It is independently developed with a maximum power of 2W and is suitable for 433/470MHz SMD LoRaTM wireless modules. It uses an industrial-grade high-precision 32MHz crystal oscillator. Since the imported LLCC68 is used as the core of the module, a power amplifier (PA) and a low-noise amplifier (LNA) are built in on the original basis, so that the maximum transmission power reaches 2W and the receiving sensitivity is further improved. The overall communication stability is greatly improved compared to products without power amplifiers and low-noise amplifiers.