GUI Display RFiD Board for BP Pulse / Chargemaster W7 Dual Port EV Charger...
£99.95
SIM slot, NFC, and Antenova 2.4Ghz aerial. Plenty of phone technicians, alarm installers, can do that. What's included are the board, its reverse side display, and the six way cabling. Firmware upgrades are accepted vai a USB A type port.