Dear Sir/Madam, This is YigitSipahi from TR. I'm looking for products with the following specifications: I'm looking for a device that supports 3G-4G or 4.5 G connectivity. (2G devices will not be accepted. Devices other than the dimensions we provide will not be accepted.) I hope you return with urgency and good work on this issue. Please consider the dimensions and visuals. 3.7 V 210 mAh battery will be used. In the future, we will have to purchase mass and millions of devices. We will have questions for this. Thank you. 35*20*4.5mm or 35*20*5mm Maximum price 10-15$ I'm going to buy 1 device at the beginning. For the test phase. If appropriate, bulk purchases will start within a maximum of 3 months. Show More