Part NumberAlternate P/NCommunicationsDisplayPrice
SPP-S-NSPPSNSerial (BACnet MSTP / Modbus)Without display$618.10
SPP-S-DSPPSDSerial (BACnet MSTP / Modbus)With display$695.40
SPP-E-NSPPENEthernet (BACnet IP / Modbus TCP) & Serial (BACnet MSTP / Modbus)Without display$669.60
SPP-E-DSPPEDEthernet (BACnet IP / Modbus TCP) & Serial (BACnet MSTP / Modbus)With display$746.90