Buy these two parts: http://www.ebay.com/itm/433-MHz-GSM-GPRS-SMA-male-right-angle-6cm-radio-Antenna-/220952854771?pt=LH_DefaultDomain_0&hash=item3371d100f3
http://www.ebay.com/itm/SMA-Female-Jack-to-RP-SMA-Male-Jack-Center-RF-Coaxial-Adapter-Connector-/271655870793?pt=LH_DefaultDomain_0&hash=item3f3ff3a149
Mine broke and did not find right antenna so I bought those two parts, could not find female type antenna so dapter made a different one work with Maxiflash Pro.