China signal extender single band signal booster

{"pid":"44942810","cid":"337999","pimg_url":"\/\/img1.tradegrowthhub.com\/71\/61\/1ae550c4c6a0\/product\/171976604_s-w400xh400.jpg","name":"High Power 20 Watts Single Band 900mhz Industrial GSM Cell Phone Signal Booster for 2G 3G 4G Mobile Coverage Extender","company_name":"Shenzhen Jiayi Technology Co., Ltd.","attrs":{"Price":"$714.30\/pieces 1-9 pieces","MOQ":"Negotiable","Delivery Time":"Negotiable","Brand":"GREEMBLT"}}