- \n
- 9 different PCB shapes (3 different cut-out zones on 3 PCBs = 9 different PCBs)<\/li>\n
- 9 GPS chip loop antennas<\/li>\n
- 9 U.FL connectors<\/li>\n
- 9 capacitors<\/li>\n
- 9 inductors<\/li>\n<\/ul>\n
To enclose the PCBs<\/b><\/p>\n
- \n
- 1 plastic enclosure<\/li>\n
- 1 LiPo battery<\/li>\n
- 1 piece of polystyrene (e.g. Styrofoam)<\/li>\n
- 1 piece of German bacon<\/li>\n<\/ul>\n
For the test setup<\/b><\/p>\n
- \n
- 1 Vector Network Analyser (up to 4 GHz)<\/li>\n
- 1 U.FL to SMA coaxial cable<\/li>\n
- 1 balun inside of the U.FL to SMA coaxial cable<\/li>\n<\/ul>\n
Method
\n<\/b><\/p>\n1. Start
\n<<snip>>
\n20. Stop<\/p>\n\u00a0This is what your final IoT sandwich will look like:<\/h2>\n
![\"GPS](\"http:\/\/www.gsm-modem.de\/M2M\/.\/wp-content\/uploads\/2016\/04\/GPS_chip_loop_on_bacon_1024.png\")
<\/a>GPS chip antenna on bacon<\/p><\/div>\n
Nine different PCBs to test the GPS chip loop antenna<\/h2>\n
![\"GPS](\"http:\/\/www.gsm-modem.de\/M2M\/.\/wp-content\/uploads\/2016\/04\/GPS-test-PCB-top_1024-1024x816.png\")
<\/a>GPS chip loop antenna – test PCB – top<\/p><\/div>\n
The method for making the world’s first IoT sandwich will be explained in future blog posts. Nevertheless, the pictures\u00a0 show the steps in between and what your final IoT sandwich will look like.<\/p>\n
Do you need sandwich ideas for tracking your pet or expensive asset? Sick of running to the local distributor? Look no further for satisfying and delicious sandwich recipes, perfect for pets or even people. Are you already planning a small GPS tracking device? Do you have a design for a GPS tracking device and would like to make it smaller? Does this sandwich make your mouth water? Can’t wait for the recipe instructions?
\nIf your answer is “YES” to any of these questions then do not hesitate to drop an email to harald.naumann (at) gsm – modem .de<\/p>\nFurther GPS chip loop antennas under test<\/h2>\n
GPS antenna selection for a GSM \/ GPS tracker \u2013 DUT 1<\/a>
\nGPS antenna selection for a GSM \/ GPS tracker \u2013 DUT 2
\n<\/a>GPS antenna selection for a GSM \/ GPS tracker \u2013 DUT 3
\n<\/a>GPS antenna selection for a GSM \/ GPS tracker \u2013 DUT 4<\/a>
\n<\/a><\/p>\n