User Manual

XXXXX-01 3 RFN420CL (1W) User’s Guide
1 About the RFN420CL (1W)
The RFN420CL (1W) is a radio communications device designed for use in Itron C2SX
meters. It can also be used in Cooper Power Systems Gateways and Relay Nodes. The
RFN420CL (1W) provides a 915 MHz radio interface to an RF mesh network, and a
ZigBee interface for HAN applications.
The RFN420CL (1W) operates from a power source of 5.0 VDC, received from the host
device. The radio modules operate in license-free bands at either 915 MHz (902.75 to
927.25 MHz) or 2400 MHz (2405 to 2480 MHz). RFN420CL (1W) Nodes are fully
compatible with mesh network hardware, protocols and operations. Two radio
transmission data rates are available: 38.4 kb/s, 76.8 kb/s and153.6 kb/s. The
transmission power of the 915 MHz radio is adjustable from 30 dBm to -20 dBm. The
transmission power of the 2400 MHz radio is fixed at +20 dBm.