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
Dimensions
