Shenzhen Electronic Technology Co., Ltd. Newell common GPS antenna is a ceramic flat antenna, this antenna is low cost, plus an active external amplifier, a single direction of the received signal, the gain is relatively high, so using the most. But its drawback is bulky, vulnerable to temperature impact frequency drift. If a small area of ??the ceramic will affect receive gain; if so thin, it will affect the receiving antenna bandwidth, but also partially affected by the active amplification. Currently used to good effect size is 25 × 25 × 4mm3. Effect ceramic antenna vertically upwards when in actual use best. Newell hit after Shenzhen Electronic Technology Co., GPS module Why turn a long time to get positioning data? GPS module has a cold boot and warm boot two parameters, if the GPS module is powered for the first time, or after power move over 1000 kilometers, the module to be re-evaluated once the ephemeris data circuit boards, usually takes 1 to 5 minutes, and then the ephemeris data stored inside the module, save the data by internal lithium battery module, called a cold boot, takes a long time. If the next boot, because the lithium battery has saved valid ephemeris data circuit board substrate, they are able to quickly locate the circuit board and gold, usually in less than 30 seconds board proofing, so called hot boot, if the module is powered down for more than 10 hours, the lithium battery discharge shine, then re-boot the equivalent of a cold boot. Hard board, Newell record (certified), Chengde City board provided by Shenzhen Electronic Technology Co., Ltd. Newell. Newell Shenzhen Electronic Technology Co., Ltd. (www.yipcb.com) (www.yipcb.com) Guangdong Shenzhen, PCB's leaders over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Newell record in leadership with the staff warmly welcome all inquiries negotiations to create Newell create a better future.