
(Product model) RXW19A
| RXW19A is an OOK / ASK superheterodyne receiver module, works in 315.0MHz 433.92MHz band. Highly integrated superheterodyne receiver all the features of the circuit not only has high sensitivity, good temperature characteristics, anti-interference ability, communication distance and by European and American standard certification, apply to your product device for your products to provide strong protection in the certification test, can effectively improve the efficiency of your products. | Product Image: | |
| application: | Features: | |
| • Wireless sensors | • open transmission distance of 300 meters (1.2kbps) | |
| • Home automation | • Operating frequency flexibly set 315M, 433.92M | |
| • Wireless Data Acquisition | • similar products in the lowest power consumption (6mA | |
| • industrial automation control | • chip package is small, in favor of on-board design | |
| • Industrial remote control, telemetry, remote control | • ASK modulation | |
| • surveillance cameras automatic direction control | • DATA via external resistor to set the output mode | |
| • Wireless control toys | • DATA LOW mode no signal is low output | |
| • Intelligent weather forecast and temperature monitoring | • The ultra-high sensitivity noise output mode | |
| • motorcycles, electric vehicle security alarm | • Module using a custom vinyl Pin beneficial after welding | |
| • alarm monitoring fishing fishing | • Module compact design, small size | |
| • Intelligent Building Data Monitoring | • Wide range of power supply 3-5V | |
| • Intelligent Community Emergency medical alarm system | • module enable control pin lead CE facilitate sleep control | |
| • Kitchen linkage control system | • Sleep control mode can be reduced to 500uA mean | |
| • Lighting switch control system | • Peripheral No adjustable components, improving product consistency | |
| • Intelligent home control | • Optional all kinds of cheap emission Matching System |
(Module electrical parameters)
| Power + 5V signal source frequency 315M under normal test conditions | ||||||
| parameter | symbol | status | Reference | unit | ||
| Operating Frequency | Fc | Least | standard | maximum | ||
| 314.9 | 315 | 315.1 | MHz | |||
| Modulation | ASK | |||||
| Receiver sensitivity | 50 European high-frequency signal line input directly 1K | -112 | dBm | |||
| Reception bandwidth | 200 | KHz | ||||
| Start Time | 10 | ms | ||||
| Operating Voltage | 3 | 3.6 | 5 | V | ||
| Working current | 3.9 | mA | ||||
| Operating temperature | -40 | +85 | ℃ | |||
| Power + 5V signal source frequency 433.92M under normal test conditions | ||||||
| parameter | symbol | status | Reference | unit | ||
| Operating Frequency | Fc | Least | standard | maximum | ||
| 433.82 | 433.92 | 434.02 | MHz | |||
| Modulation | ASK | |||||
| Receiver sensitivity | 50 European high-frequency signal line input directly 1K | -112 | dBm | |||
| Reception bandwidth | 200 | KHz | ||||
| Start Time | Ton | 10 | ms | |||
| Operating Voltage | V | 3 | 3.6 | 5 | V | |
| Working current | IRC | 6 | mA | |||
| Operating temperature | -40 | +85 | ℃ | |||
(Module performance parameters)
| parameter | Least | typical | maximum | unit | condition |
| DC Characteristics (Unless otherwise indicated, temperature = 25 ℃, Vcc = 3.6V) | |||||
| Operating Voltage | 3 | 3.6 | 5 | V | |
| 315M operating current | 3.9 | mA | |||
| 433.92M operating current | 6 | mA | |||
| Sleep standby power consumption | 5 | uA | |||
| Average power consumption | 200 | 500 | uA | MCU controlled using the enable pin CE | |
| Recommended application conditions | |||||
| Operating temperature | ﹣40 | 25 | 85 | ℃ | |
| storage temperature | -40 | 125 | ℃ | Storage Please pay attention to moisture, ESD protection | |
| RF characteristics (unless otherwise indicated, temperature = 25 ℃, Vcc = 3.6V) | |||||
| Receiving frequency | 315 | 390 | 433.92 | MHz | |
| Receiver sensitivity | -112 | dbm | @ 2Kbps | ||
| Data Rate | 1 | 1.2 | 20 | kbps | |
| Wake-up time | 10 | 15 | ms | ||
(Module Application Diagram)
(Pin function)
| Pin | name | Pin Function Description | Product structure diagram |
| PIN-1 | ANT | Antenna signal receiving input port | Unit: mm |
| PIN-2 | GND | Grounding, and MCU system common ground | |
| PIN-3 | VCC | Power input is recommended 3.3V or 5.0V | |
| PIN-4 | CE | Module enable control terminal, CE low potential effective, then high dormancy | |
| PIN-5 | DA | Data output, etc. with PT2272 decoder chip or MCU connected; pull-down resistor on the external and internal microcontroller to be removed | |
| PIN-6 | GND | Grounding, and MCU system common ground |
(Dimension)
| project name | size | project name | size | |
| Module length | 27.2mm | Chip Package | SOP16 | |
| Module width | 11.4mm | Crystal Package | 49S-SMD | |
| Module thickness | 5mm | RC Package | 0402 | |
| Pin spacing | 2.54mm | |||
| Pin length | 7mm |
Note: 1, the module antenna is recommended to use single-core copper: 315M length 280mm, 433.92M length 170mm
2, in order to ensure receiving distance, module location far away from the interference source is recommended