Description
The RYLR998 transceiver module features the LoRa® long-range modem, which provides ultra-long-range spread spectrum communication and high interference immunity while minimizing current consumption.
FEATURES
• NUVOTON MCU & Semtech LoRa® Engine
• Excellent blocking immunity
• Smart receiving power saving mode
• High sensitivity
• Control easily by AT commands
• Built-in antenna
• Command support data encryption
APPLICATIONS
• IoT Applications
• Mobile Equipment
• Home Security
• Industrial Monitoring and Control Equipment
Specification
| Item |
Min. |
Typica |
Max. |
Unit |
Condition |
| VDD Power supply |
2.3 |
3.3 |
3.6 |
V |
VDD |
RF Output power range |
0 |
|
22 |
dBm |
RF Output Power must be set to
less than AT+CRFOP=14 to
comply with CE certification. |
| Filter insertion loss |
1 |
2 |
3 |
dB |
|
| RF Sensitivity |
-129 |
|
|
dBm |
|
| RF Input level |
|
|
10 |
dBm |
|
| Frequency range |
820 |
868/915 |
960 |
MHz |
|
| Frequency accuracy |
|
±10 |
|
ppm |
|
| Transmit Mode current |
|
140 |
|
mA |
RFOP=+22dBm |
| Receive Mode current |
|
17.5 |
|
mA |
@VDD=+3.3V |
Sleep mode current |
|
10 |
|
uA |
AT+MODE=1
@VDD=+3.3V |
Smart receiving power saving
mode average current |
0.06 |
2.65 |
5.5 |
mA |
2.65mA @AT+MODE=2,1000,1000
If you need lower current
consumption, you can adjust the
AT+MODE=2 time duty. |
| Baud rate |
300 |
115200 |
115200 |
bps |
8, N,1 |
|
|
|
|
|
|
| Digital Input Level High |
0.7*VDD |
|
VDD |
V |
VIH |
| Digital Input Level Low |
0 |
|
0.3*VDD |
V |
VIL |
| Digital Output Level High |
0.9 |
|
VDD |
V |
VOH |
| Digital Output Level Low |
|
|
0.1 |
V |
VOL |
Cycling (erase /write)
Flash data memory |
|
200 |
|
K |
Cycles |
| Weight |
|
1.83 |
|
g |
|
| Operating temperature |
-40 |
25 |
+85 |
C |
|
Useful Link
Datasheet
LoRa_AT_Command_RYLR998_RYLR498_EN
REYAX_LoRa_Mesh_Application_EN
