Eco, EcoSpire, and EcoSD

(Legacy Design)

Eco EcoSpire Simple EcoSpire Super EcoSD
    
size 1.3×1.1cm2 1.3×1.1cm2 2x4cm2 MicroSD
MCU nRF24E1 nrf24LE1 nRF24LE1 nRF24LE1
accelerometer Hitachi H34C (analog) Analog Devices (analog) LIS331DLH (digital) LIS331DLH (digital)
Antenna Rainsun AN9520 Rainsun AN9520 Antenova Rainsun AN9520