Data Sheet

Absolute Maximum Ratings
Symbol Ratings Min Max Unit
V
DD
- V
SS
External main supply voltage (on all Power Pins) -0.3 3.6 V
V
IN
Input Voltage any Pin V
SS
- 0.3 V
DD
V
I
PIN
DC current on any Pin 10 mA
T
STG
Storage Temperature -40 +85 °C
WARNING!
Stressing the device beyond the “Absolute Maximum Ratings” may cause permanent damage.
These are stress ratings only. The product is not protected against over voltage or reversed voltages. Use protection diodes to
limit voltage spikes to the boundaries given above.
Operation Conditions
Symbol Parameter Conditions Min Typ Max Unit
V
DD
Standard operating Voltage - 1.8 - 3.6 V
V
IL
Digital IO Pin Low Input Voltage - V
SS
- 0.4*V
DD
V
V
IH
Digital IO Pin High Input Voltage - 0.7*V
DD
- V
DD
V
V
OL
Digital IO Pin Low Output Voltage - 0 - 0.4 V
V
OH
Digital IO Pin High Output Voltage - V
DD
-0.4 - - V
∑I
SUPPL
Current Consumption
TX mode (14 dBm) - 25.5 - mA
RX Mode - 8.2 - mA
Sleep Mode - 1.4 - µA
P
RFIN
Highest receiving sensitivity - - - -137 dBm
RF
OUT
RF Output Power
V
DD
> 2.4 V (DC) - - 20 dBm
V
DD
< 2.4 V (DC) - - 17 dBm
RX
FSK
Receiver sensitivity FSK Mode
1.2kbps - -123 - dBm
38.4 kbps - -110 - dBm
RX
LORA
Receiver sensitivity LoRa Mode
SF12 @ 125 kHz - -137 - dBm
SF6 @ 500 kHz - -111 - dBm
RX
SNR
Receiver signal to noise ratio
SF12 - -20 - dB
SF6 - -5 - dB
T
OPT
Operating Temperature - -40 - +85 °C
Variants
Partnumber RF Path Size Controller Internal Flash Size
FMLR-72-U-STL0Z-(4M) U.FL connector 14 x 19.5 x 3.5 mm
3
STM32L071Z
2
192 kB
FMLR-72-P-STL0Z-(4M) Antenna pad 14 x 19.5 x 2.2 mm STM32L071Z
2
192 kB
FMLR-72-C-STL0Z-(4M) On board antenna 14 x 22.75 x 5.2 mm STM32L071Z
2
192 kB
2
Options for other STM32 variants and external flash (4 Mbit) are available on request, such as USB, Cortex-M4 with FPU
3
With U.FL antenna connected. 14 x 19.5 x 2.5 mm without a connected antenna.
Please also refer to the FMLR part numbering scheme on the Miromico website:
https://miromico.ch/portfolio/fmlr-module-stm/?lang=en
Contact: Miromico AG - Gallusstrasse 4 - CH-8006 Zürich – Switzerland 4/6
Revision 1.0149