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Superheterodyne radio differential learning code rolling code receiver module 315 433M decoding module
Superheterodyne radio differential learning code rolling code receiver module 315 433M decoding module
(Product model) RXW19MA
| RXW19MA 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 | • Four TTL output mode | |
| • Wireless control toys | • Learning code and rolling code (optional) | |
| • Intelligent weather forecast and temperature monitoring | • Wide range of power supply 3-5V | |
| • motorcycles, electric vehicle security alarm | • Peripheral No adjustable components, improving product consistency | |
| • alarm monitoring fishing fishing | • Optional all kinds of cheap emission Matching System | |
| • Intelligent Building Data Monitoring | ||
| • Intelligent Community Emergency medical alarm system | ||
| • Kitchen linkage control system | ||
| • Lighting switch control system | ||
| • Intelligent home control |
(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 | 5 | mA | ||||
| Operating temperature | -20 | +75 | ℃ | |||
| Output Level | Non-lock mode or interlocking mode | |||||
| 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 | 8 | mA | |||
| Operating temperature | -20 | +75 | ℃ | |||
| Output Level | Non-lock mode or interlocking mode | |||||
(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 | 5 | mA | |||
| 433.92M operating current | 8 | mA | |||
| Output Mode | 3 | 3.6 | 5 | TTL level | |
| Recommended application conditions | |||||
| Operating temperature | ﹣20 | 25 | 75 | ℃ | |
| 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 | 2 | kbps | |||
(Module 3D map)
(Module pairing instructions)
| Description of the code | Press the learning key panel, lights flashed, press any button on the remote control, lights flashed again exemplar of success in learning, then this remote control can remote control receiver board |
| Delete Code Description | Press learning key board, lights, and not let go until the lights off, exemplar delete code is successful, then all this board paired remote can not control this receiver board |
| The corresponding pin | D0 ~ D3 on the remote control, the corresponding receiver module D0 ~ D3, if the combination code corresponding to the output pins are high |
(Pin function)
| Pin | name | Pin Function Description | Product structure diagram |
| PIN-1 | VT | Signal reception indication port | Unit: mm |
| PIN-2 | VCC | Power input is recommended 3.3V or 5.0V | |
| PIN-3 | GND | Grounding, and MCU system common ground | |
| PIN-4 | L | External button to learn | |
| PIN-5 | D3 | Control pin output | |
| PIN-6 | D2 | Control pin output | |
| PIN-7 | D1 | Control pin output | |
| PIN-8 | D0 | Control pin output | |
| PIN-9 | GND | Grounding, and MCU system common ground | |
| PIN-10 | ANT | Antenna Signal Input |
(Dimension)
| project name | size | project name | size | |
| Module length | 38mm | Chip Package | SOP | |
| Module width | 16mm | 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
