User Manual

Chapter 1 - Product Overview Landis+Gyr
4 98-1138 Rev AD Gridstream SCADA/DA S4SBR
Conducted Spurious
Second harmonic
All other harmonics
-40
-70
dBc
At +30dBm output power,
<2:1 VSWR load
Meets FCC requirements
Table 1 - 3. Series 4 Gridstream S4SBR Receiver Electrical Specifications
Parameter
Value
Units Comments
Min Typ Max
Cascaded Noise Figure 5.0 dB
Input IP3 -10 dBm
Two-tone test (1 MHz tone
spacing); desired signal 3dB
above sensitivity; 9.6 kbps
operation
Sensitivity (@ 25° C)
9.6 kbps
19.2 kbps
38.4 kbps
115.2 kbps
-112
-110
-107
-101
dBm
Image Rejection (worst-case) 30 dB
Desired signal 3dB above
sensitivity, CW jammer (at
image freq) increased until
PER = 10%; 9.6kbps baud
rate
Selectivity (In-band blocking)
f
0
± 100 kHz
f
0
± 200 kHz
f
0
± 10 MHz
30
35
80
dB
Desired signal 3dB above
sensitivity, CW jammer (at
image freq) increased until
PER = 10%; 9.6kbps baud
rate
Blocking (Out-of-band)
No Pager-Reject Filter
f < 880 MHz
880 < f < 895 MHz
960 < f < 3000 MHz
0
-10
-10
dBm
Desired signal 3dB above
sensitivity, CW jammer (at
image freq) increased until
PER = 10%; 9.6kbps baud
rate
Maximum input RF power
ISM Band
902 MHz < f < 928 MHz
+19 dBm
Permanent damage can
occur to receiver if exposed
to RF level above this
specification
Minimum spacing between S4 SBR antenna
and any other device transmitting in the ISM
band
902 MHz < f < 928 MHz
8inches
Applies to both internal and
external antenna versions of
S4 SBR
Table 1 - 2. Series 4 Gridstream S4SBR Transmitter Electrical Specifications
Parameter
Value
Units Comments
Min Typ Max
draft 29 Jan 2013