User's Manual
February 2017
DocID0xxxxx Rev 0.xx 7/27
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change
without notice. ww w.st.com
2.4 Current consumption
Symbol
Parameter
Test conditions
Typ.
Unit
I
DD
Supply current
Operating mode
TX, +11 dBm, freq. 868MHz
27
mA
I
DD
Supply current
Operating mode
TX, +10.5 dBm, freq. 915MHz
39
mA
I
DD
Supply current
Operating mode
TX, +10 dBm, freq. 433MHz
24
mA
I
DD
Supply current
Operating mode
RX, freq. 868MHz
19
mA
I
DD
Supply current
Operating mode
RX, freq. 915MHz
28
mA
I
DD
Supply current
Operating mode
RX, freq. 433MHz
18
mA
I
DD
Supply current
Stand-by (Radio off, STM32L151RDY6 in Stop
mode with RTC)
5
µA
Table 4. Current consumption.
2.5 RF compliance limits
RF compliance limits for CE and FCC certifications, referring to factory loaded firmware. If applying a
custom firmware, please ensure these limits are not exceeded, voiding CE and FCC certifications.
Standards
Parameter
Max.
Unit
FCC Part 15.207
(1)
FCC Part 15.247
(1)
EN 300 220-2 V2.4.1
(2)
EN 301 489-01 V1.9.2
(2)
EN 301 489-03 V1.4.1
(2)
Data rate
50
kbps
Output power
(ETSI 868 MHz and FCC 915 MHz band)
+10.5
dbm
Output power
(ETSI 433 MHz band)
+10
Modulation
GFSK
(1) FCC standards are only applicable to SPSGPE-915 operating in the FCC 915 MHz band
(2) EN standards are only applicable to SPSGPE-433 and SPSGPE-868 operating in the ETSI
433MHz and ETSI 868MHz respectively.
Table 5. RF compliance limits.