86-755-26500899
(Floor 1, 2), Plant 1, (Parcel No. A704-0197) South Side, Zhoushi Rd., Shiyan St., Shenzhen, Guangdong, China (Mainland)
Industrial grade SX1278 3km RS232 RS485 LoRa radio modem, US $ 60 - 70 / Piece, FC-505LR, Friendcom, Guangdong, China.Source from Shenzhen Friendcom Technology Development Co., Ltd. on Waimaotong.com.