An apparatus of a MulteFire (MF) user equipment (MF UE) includes processing circuitry to configure the MF UE to implement a Reliable Data Service (RDS) protocol. To implement the RDS protocol, the processing circuitry encodes an Attach Request message for transmission in an unlicensed band to a Neutral Host Mobility Management Entity in a Neutral Host Network (NHN). The Attach Request message can include a Packet Data Network (PDN) Connectivity Request message for establishing a PDN connection with a Service Capability Exposure Function (SCEF) via a Interworking-SCEF (IWK-SCEF). A configuration message from the SCEF can be decoded, which indicates acceptance of non-Internet Protocol (IP) data communication via the PDN connection, using the RDS protocol. In response to the configuration message, an RDS frame is encoded (as part of user data transmission over control plane) for transmission to the SCEF via the IWK-SCEF using the PDN connection in the unlicensed band.