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LLCC68 RS485 Wireless RF Transceiver and Receiver 433MHz 470MHz 30dBm IoT LoRa Spread Spectrum Module Long Range






[Introduction]:The E220-400R30D uses a new generation of LoRa spread-band technology based on the RS485 module designed for the LLCC68 chip scheme with a variety of transmission modes. It operates in the (410.125 to 493.125MHz) frequency (default 433.125MHz) and supports DC 5.0 power supply.

Pin No. Item Direction Description
1 VCC Input Module power supply is referenced, voltage range: 4.5 to 5.5V DC
2 GND Input Module ground line
3 485A Input/Output A of the RS485 interface, A of the external RS485 device
4 485B Input/Output B of the RS485 interface, B of the external RS485 device
5 STB Output Low when idle, high for configuration and sending&receiving
6 Sending Light - Green, the light flashes when data is sent
7 Receiving Light - Blue, the light flashes when data is sent
8 Fixed holes - Fixed holes
9 RF interface - SMA-K, equivalent impedance is about 50 s
10 Fixed holes - Fixed holes
11 Fixed holes - Fixed holes