... antenna 4.copper material,gold plate The SMA series connectors for use with semi-rihid and flexible RF cables,are used ... , DVB-T antenna, GPS/GSM combination antenna, GPS engineer board. We are welcoming you to ask sample for testing ,welcome to our ... .Any email will be replied with 24 hours. Thanks for your time! SMA O-ring Right Angle Female PCB Mount for GSM Modem