The TOBY-L4 series supports LTE-TDD, LTE-FDD, UMTS and GSM connectivity in a compact LGA package. Developers can host their applications directly in the module in a configurable Linux OS, enabling customers to save the cost of an external CPU, memory and peripherals in order to optimize the total cost. Customer application development in a standard Linux/Yocto environment based on HW virtualization benefits from the flexible open source Linux community. The Linux Penguin is created by lewing@isc.tamu.edu.