Universal GSM/3G Outdoor (or Indoor) Cellular Adapter to Improve Signal Reception

This adaptor can be used to connect to most types of modems / routers using SMA Connectors to improve the signal reception . If you use a cellphone as a modem or if 3G/GSM Reception is poor, this will also improve your signal when the device is placed near to the smartphone. Most cellphones do not have a plug or jack for an external antenna. This universal adaptor solves this problem and is supplied with a SMA (F) connector. This adapter has been engineered for a 3G band, but is also designed to work for the two bands (900 and 1800MHz) and also the UMTS band (2000 ¿ 2200MHz). You need to buy an external antenna to use with this adapter as per picture below and Antenna at All Band (GSM,3G,HSDPA) Cellular Outdoor Signal Boosting Antenna with SMA Connector including 7 Meter cable