4 از 5.0 با 5 رای
ماژول ترنسیور وایرلس دارای چیپ SX1278 و فرکانس 433MHz
Electrical Parameters
|
No |
Parameter item |
Part parameter |
Part parameter |
|
1 |
SC RF |
SX1278 |
SEMTECH |
|
2 |
the size |
25 * 37 mm |
- |
|
3 |
the weight |
5 grams |
- |
|
4 |
Frequency range |
410 ~ 441 MHz |
Adjustable software configuration. 32 MHz crystal oscillator. |
|
5 |
PCB |
4-ply |
Comparison impedance, lead-free |
|
6 |
Connector |
2 * 9 * 1.27 mm |
SMD |
|
7 |
supply voltage |
3.3 ~ 5.5V DC |
Voltage higher than 6 V is prohibited |
|
8 |
Communication level |
0.7VCC ~ 5VDC |
VCC refers to the supply voltage |
|
9 |
Operating range |
10,000 m |
Clear and open terrain, 30dBm, antenna gain: 5dBi, height: 12m, Aerial date rate: bit, coding rate 4/5, propagation factor 12 |
|
10 |
Transmitter power |
Maximum 30dbm |
About 1 W |
|
11 |
Air speed data transmission |
0.018K ~ 37.5Kbps |
Lora, found on SX1278 data. |
|
12 |
Sleep current |
1uA (Max) |
Sleep mode |
|
13 |
Transmission current |
720mA @ 30dBm |
The proposed power supply capacity is greater than 250mA. |
|
14 |
Current |
630ma BW = 500 KHz |
Lore mode, the receiving current differs with different BW. |
|
15 |
Communication interface |
SPI |
Data transfer rate: up to 10 Mbit / s |
|
16 |
Transfer length |
256 bytes |
FIFO |
|
17 |
Receiving length |
256 bytes |
FIFO |
|
18 |
RSSI support |
Are available |
You can find more on SX1278 data. |
|
19 |
Antenna type |
Seal hole |
50 ohm characteristic impedance |
|
20 |
working temperature |
-40 ~ + 85 ℃ |
Industrial class |
|
21 |
Operating humidity |
10% ~ 90% |
Relative humidity, non-condensing |
|
22 |
Storage temperature |
-40 ~ + 125 ℃, |
Industrial class |
|
23 |
sensitivity |
-148dBm @ bit |
With LNA |