User's Manual

XXXXX-01 9 Eka Gas Meter Node User’s Guide
3 Eka Gas Meter Node Specifications
Application Specifications
Compatibility Datamation FIREFLY Meter Integration Unit
Data storage Stores 45 days of data (1 channel @ 1 hour intervals)
Data integrity Non-volatile data storage provides extra security in the event of
communication failure or power outage
Advanced features Load profile, remote demand reset
Radio Specifications
Operating frequency 902 – 928 MHz
Reliable data transmission Error detection, correction
and retransmission
RF output power 20 dBm
1
Data rate 76.8 Kbps
Receiver sensitivity -93 dBm (@ 0.1% BER, +25°
C)
Range (w/ omni antenna)
Outdoor < 1,000 m (3200 ft)
Indoor 75 – 150 m (225 – 490 ft)
Mode Frequency hopping spread
spectrum
1. 20 dBm is the typical output power. The radio hardware is capable of producing up to 30 dBm (1W) of RF
output power.
Interface Specifications
ANSI C12.18/C12.19
Meter manufacturer proprietary protocol for the Centron Polyphase meter
Mechanical Specifications
Weight ???? g (???? oz)
Dimensions ???? x ???? mm
(???? x ???? in)
Network Specifications
No hard limitation on number of meters per Gateway (actual number of meters per Gateway
depends on network performance requirements
Full peer-to-peer communication
Fully self-configuring
Automatic routing
No network address management required
Automatic network acquisition
Automatic time synchronization of all nodes in the network
128 bit authentication/encryption