Alfa Network APA-M25 dual band 2.4GHz/5GHz 8 / 10dBi high gain directional indoor panel antenna with RP-SMA connectorBrandALFA Network Item dimensions L x W x H16. 7 x 6. 6 x 1. 8 centimetres 2. 4GHz 5GHz 8 10dBi high gain directional indoor panel antenna with RP SMA connector Fits all routers access points VOIP devices and PCI cards with an RP SMA connector Replaces Factory Standard Antenna and Boosts the Range of your Router as much as 4x Up to 145% Performance and 150% Distance increase (depends on specific installation situation) Up to 145% Performance and 150%