Part NumberAlternate P/NCommunicationsDisplayPrice
SPP-S-NSPPSNSerial (BACnet MSTP / Modbus)Without display$633.55
SPP-S-DSPPSDSerial (BACnet MSTP / Modbus)With display$712.78
SPP-E-NSPPENEthernet (BACnet IP / Modbus TCP) & Serial (BACnet MSTP / Modbus)Without display$686.34
SPP-E-DSPPEDEthernet (BACnet IP / Modbus TCP) & Serial (BACnet MSTP / Modbus)With display$765.57