DWM-RTS4438 is the Small Size(15.0*12.5*2.0mm) which built by the Silicon RF chipset Si4438 which max power output is +20dBm 433.92MHz Free band SRD Wireless Transceiver Module transmission range can reach to 1800 meters.
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Brief introduction
HPD8402C wireless transceiver module SI4438 Silicon Labs' high-performance wireless transceiver chip design, low power consumption, long distance, the industry's smallest. Module integrates all RF related functions and devices, users do not need in-depth understanding of RF circuit design, you can use this module to easily develop a stable performance, high reliability wireless products.
Features
Technical Specifications:
1. Operating voltage: 1.8 ~ 3.6V
2. Receiving Current: 14mA
3. Emission current: 80mA/ 20dBm
4. Working temperature: -30 ° ~ + 75 °
5. Operating frequency: 433MHz
6. Transmit power: + 20dBm
7. Receiving sensitivity: -123dBm/ 1.2Kbps
8. Frequency error: +/- 5KHz
9. FIFO space: 64Byte
10. Data Rate: 100bps ~ 500Kbps
11. Modulation: FSK/GFSK/MSK/ASK
12. Interface Type: 4-wire SPI interface
13. Digital RSSI function
14. Automatic frequency correction (AFC)
15. Automatic Gain Control (AGC)
16. RF exchange wake support feature (WOR)
17. Low-voltage detection and temperature sensor function
18. Sleep current: 1uA
19. In line with standard IEEE 802.15.4g
20. Dimensions: 15.0*12.5*2.0mm
Applications:
1. Remote telemetry
2. Industrial Controls
3. Security alarm
4. Smart Home
5. collecting data
6. Healthcare
7. Energy Monitoring
8. automated industry
DC Characters
|
Description |
MIN |
MAX |
Unit |
|
Operating voltage |
1.8 |
3.6 |
V |
|
Operating Current |
RX ＜14mA |
TX=75mA@20dbm |
mA |
|
Standby Current |
|
＜1uA |
uA |
|
IO Port voltage |
Vss-0.3 |
Vdd+0.3 |
V |
|
Temperatures |
-40 |
85 |
℃ |
RF performance（Test Temperature 25℃，VCC 3.3V）
|
NUM |
Characters |
Parameters |
Unit |
||
|
|
|
MIN |
Typical |
MAX |
|
|
1 |
Frequency Range |
425 |
433.92 |
525 |
MHz |
|
2 |
Power Output |
-20 |
|
20 |
dBm |
|
3 |
Sensitivity |
|
-121 |
|
dBm |
|
4 |
Modulation |
GFSK |
2-FSK |
OOK |
MSK |
|
5 |
Data rate |
1.2 |
|
500 |
Kbps |
|
6 |
Harmonic Power |
-45 |
—— |
-35 |
dBm |
|
7 |
Transmission Range |
1200 |
|
1800 |
M |
|
8 |
OOK，Sensitivity |
|
-110 |
|
dBm |
|
9 |
OOK，Data Rate |
|
|
120 |
Kbps |
|
10 |
Standby Current |
|
|
0.9 |
MHz |
|
11 |
Crystal Precision |
|
10 |
|
PPM |
Pin Definition for module
|
PIN |
DEFINE |
Function Description |
Note |
|
1 |
VDD |
Power Supply 3.3V |
RF VDD |
|
2 |
TXRAMP |
The output of external PA, |
|
|
3 |
GPIO_0 |
GPIO0 |
|
|
4 |
GPIO_1 |
GPIO1 |
|
|
5 |
NIRQ |
The interrupt input pin, (Low Level) |
Configure register |
|
6 |
SCLK |
SCLK (SPI) |
|
|
7 |
MISO |
MISO (SPI) |
|
|
8 |
MOSI |
MOSI (SPI) |
|
|
9 |
NSEL |
NSEL(SPI) |
|
|
10 |
GPIO_2 |
GPIO2 |
|
|
11 |
GPIO_3 |
GPIO3 |
|
|
12 |
SDN |
Close the SDN = 0 or 1 reference input pin IC specification |
|
|
15 |
ANT |
Antenna interface, the standard 50 Ω antenna |
|
|
14、16 |
GND |
GND |
13 PIN NC |
Typical Application
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DWM-RTS4438 is the Small Size(15.0*12.5*2.0mm) which built by the Silicon RF chipset Si4438 which max power output is +20dBm 433.92MHz Free band SRD Wireless Transceiver Module transmission range can reach to 1800 meters.
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