The PRO-OB-4 from Proant is a small SMD antenna for embedded products for the 2.4 GHz ISM band. This surface mount device has a return loss of less than 1 dB and an efficiency of more than 75%. It measures 13.8 x 6. x 3.5 mm and is available in tape and reel for SMD placement. This antenna can be used in variety of applications such as WLAN/Wifi, Bluetooth, Zigbee, RFID, WirelessHART etc.
