First, the ATmega48V only has one UART. This is connected to the GPS module at 9600, 8N1. The connection to the GSM M-590 module is only 2400 bps, and slow enough for a bitbanged UART.

First, the ATmega48V only has one UART. This is connected to the GPS module at 9600, 8N1. The connection to the GSM M-590 module is only 2400 bps, and slow enough for a bitbanged UART.

DataLogger DL750 to Include Wireless Connectivity via Telit’s GE865-QUAD GSM/GPRS Module Danlaw DL750 (Photo: Business Wire) Telematics Detroit June 05, 2013 09:00 AM Eastern Daylight Time ...

Intel showed off its plans to jumpstart the wearable gadget industry with a new button-sized module called Curie during a keynote event at the 2015 International CES today.