If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Bluetooth Speaker PCB Assembly ServiceType: PCBA Model Number: PCBA-STHL GPS GSM GPRS development board Place of Origin: Guangdong, China Copper Thickness: 0.5oz-6oz; 1/2OZ, 1OZ, 2OZ, 3OZ Supplier Type: OEM PCBA Board Thickness: 1.6 mm Base Material: FR-4 / Aluminum / Ceramic / CEM-3 / FR-1 Surface Finishing: HASL Service: PCB design / SMT / DIP / Component purchase Testing Service: AOI / X-Ray /… [contact-form-7 id="263" title="Product-InquiryForm"]