Most phones and speakers will recognize this product as a headphone. Once inserted, audio will default to the headphone output. You will need to switch your phone or card-slot speaker to speakerphone mode.
eBay
1 x 4G LTE GSM Antenna with SMA Male Connector for Car Vehicle Cell Phone Signal Booster. Connector ：SMA Male Connector. Cable Length： 3m. Date Range Probability Date Range Probability Date Range Probability.
eBay
Model Number: FM antenna.
eBay
3.5mm interface FM radio antenna, replace the traditional headphone cable as an antenna. Convenient, practical, good radio effect. 1 Antenna. Once plugged in, the sound will be output to the headset by default.
eBay
3X(Gain: 3.5 dBi. Jack: 3.5mm Male. Enhance the digital/analogue signal and strength signal quality. Gold plated connector for better signal transfer. ).
eBay
Model Number: FM antenna.
eBay
3.5mm FM radio antenna interface to replace the traditional headphone cable when the antenna. Once plugged in, the sound will be output to the headset by default. You need to switch the phone or card speaker to the outside.
eBay
Jack: 3.5mm Male. Enhance the digital/analogue signal and strength signal quality. Gold plated connector for better signal transfer. and high quality.
eBay