BY-GSM-05 is  external GSM / GPRS antenna, used in 2G IOT controllers to transmit and receive GSM signal in four bands include the 850 / 1900 MHz bands - used in the Americas - and 900 / 1800 MHz, used in most other parts of the world. 

BY-GSM-05 comes with 3m length cable and SMA Male type connector. 3M Industrial Adhesive at the back of antenna makes it convenient to stick it at some suitable place.

Specification:
- Frequency（MHz）： 824-960 / 1710-1990
- VSWR: ≤1.5
- Gain（dBi）： 3.5
- Input Impedance（Ω）： 50
- Polarization： Vertical
- Size（mm）：115×22×4
- Cable Length（m/ft）： 3/9.8
- Cable Type： RG174
- Connector： SMA Male
- Mounting： Adhesive
- Working Temp：-40℃...+85℃
- Storage Temp：-45℃...+100℃

DataSheet: