Smart Watch with Water-resistant IP54, Installing SIM Card to be a Phone, 550mAh Battery

Smart watches with SIM card slot to be a phone

Smart watches with stainless steel watch case and watch band

Smart Watch with SIM Card Slot to be Used as Smartphones

Smart Watch, Built-in Integrated Bluetooth 4.0 Automatically Syncs Data to Smart Device

Saw Filters with 1575.42M Center Frequency, 2.4M Passband for GPS and Beidou, Glonass

Saw Filters with 908.42M Center Frequency, 19M Passband for RF Application of Telecom SMD 1.4X1.1mm

SAW Filters with 868.5m Center Frequency, 19M Passband for RF Application of Telecom SMD 1.4*1.1mm