86-755-26500899
(Floor 1, 2), Plant 1, (Parcel No. A704-0197) South Side, Zhoushi Rd., Shiyan St., Shenzhen, Guangdong, China (Mainland)
Half-duplex RF module wireless alarm module ISM band module, US $ 8 - 12 / Piece, FC-RF209, Friendcom, Guangdong, China.Source from Shenzhen Friendcom Technology Development Co., Ltd. on Waimaotong.com.