Cirrus 4t is the state of the art gprs/ ethernet/wifi/gps/radio main board for connecting any kind of objects to the nuva.
4 layer ul pcb, for meeting most strict emc and electrical safety requirements
cortex l4 ultra low consumption processor from st, with 256kbyte flash and 64kbyte ram
2g/3g/4g/nb-iot modem options by means of on board low cost quectel m95/ug95/ec91/bc95 modem.
rs485 - modbus-rtu.
16 mbit flash for long onboard data logging.
ethernet 10/100t plugin option.
wifi esp wroom2 low cost modem
lora sx1276 long range wireless module
iee 802.15.4 module option for 6lowpan networks interface.
bluetooth 4.2 / 5.0 low energy / bluetooth ready
phone line simulator for legacy telephonic systems with modem simulation.
3 analog / digital input
1 optocloupled input.
2 open drain ouputs + 1 analog 0-10v output
4 x 5amp/220v power relays on ethernet plugin option.
multi chemistry battery charger, or 7.4lipo / 13.8v lead and 24v lead batteries.
micro usb connector.
on certification proces.