User Manual

Model UFT PCBA manual
General
The Model UFT printed circuit board assembly (PCBA) contains a frequency hopping spread spectrum radio
operating in the 902.4-927.6 MHz ISM frequency band and a 451.35 MHz FCC Part 90 licensed radio. It also
contains a pre-certified Bluetooth module used for communication with user’s Bluetooth enabled portable
device. When the UFT module is installed in its plastic housing it forms a pass-through device used to
interrogate Elster Solutions metering devices that are currently installed. Installations of multiple metering
devices comprise part of an Advanced Metering Infrastructure (AMI) system that utilizes a proprietary network
architecture and protocol devised by Elster Solutions. The UFT is used by the user to allow communication with
devices within this network architecture.
Device specifications
Table 1: 900 MHz Radio Specifications for 25-Channel 250 mW EA Operation
Classification
Frequency Hopping Spread Spectrum
Maximum Output Power
250 mW
Operating Frequency Band
902.4
–
927.6 MHz
Number of Channels
25
Channel Spacing
400 KHz
Mode
EA LAN1
EA LAN2
Data Rate
35.56 kbps
142.22 kbps
Occupied Bandwidth – 20dB
250 KHz < BW < 400 KHz
250 KHz < BW < 400 KHz
Occupied Bandwidth – 99%
250 KHz
< BW < 400 KHz
250 KHz < BW < 400 KHz
Channel Dwell Time
< 0.4 seconds within a 10 second period
Table 2: 900 MHz Radio Specifications for 64-Channel 250 MW NGC Operation
Classification
Frequency Hopping Spread Spectrum
Maximum Output Power
250 mW
Operating Frequency Band
902.4
–
927.6 MHz
Number of Channels
64
Channel Spacing
400 KHz
Mode
NGC
Data Rate
50, 150, 200 kbps
FSK Occupied Bandwidth – 20dB
100 KHz < BW < 400 KHz for 50/150/200 kbps data rates
FSK Occupied Bandwidth – 99%
100 KHz < BW < 400 KHz for 50/150/200 kbps data rates
GFSK Occupied Bandwidth – 20dB
100 KHz < BW < 400 KHz for 50/150/200 kbps data rates
Channel Dwell Time
< 0.4 seconds within a 20 second period