PAII-1721-12RP-SMA-01 PAII-1721-12RP-SMA-01 can be used in indoor and outdoor settings.PAII-1721-12RP-SMA-01 is made in Taiwan and comes with QC reports. The frequency is between 1.71-2.17GHZ, and it is compatible with GSM1800 2G GSM1900 2.5G GSM2000, 3G & 3.5G. It can be mounted on an outdoor wall, or set on the desk. PAII-1721-12RP-SMA-01 comes with different types of mounting kits, and its cable is RG174 10FT (3M) RP SMA cable. The small quantity order is acceptable.