SRX885 is a micropower consumption 315/433MHz ask receiver module with RF superheterodyne modulation. It can be used with our STX series ASK transmitter module. This product has high stability, anti-interference and high cost performance, and also has a four-way switch output function. It is flexible to use, low cost, development-free debugging, self-decoding, adaptive coding, automatic learning of the market RF remote control. A large number of applications in light control switches, wireless doorbells, smart homes, rolling gates, remote control toys, anti-theft alarm and other fields. The modules can pass ROHS, FCC, CE and other certifications.
Parameter | Min. | Typ. | Max. | Unit | Condition |
Operation Conditions | |||||
Operating voltage range | 2.8 | 3 | 5.5 | V | |
Operating Temperature Range | -20 | 25 | 70 | ℃ | |
Current Consumption | |||||
Working current | 4.5 | mA | @433MHz | ||
RF Parameters | |||||
Frequency Range | 433.82 | 433.92 | 434.02 | MHz | @433MHz |
314.9 | 315 | 315.1 | MHz | @315MHz | |
Sensitivity | -115 | dBm | @1Kbps | ||
Receiver bandwidth | 350 | KHz |
Modulation | ASK |
Frequency | 315MHz,433MHz |
Pin Number | Pin Definitions | Description |
1 | ANT | Power supply is positive, range 2.8V-5.5V |
2, 8 | GND | Power ground |
3 | D2 | 4-way switch output |
4 | D3 | 4-channel switch output, can be used as serial output |
5 | Pair | Pair of code buttons |
6 | D1 | 4-way switch output |
7 | D0 | 4-way switch output |
9 | ANT | Connect 50 ohm antenna |
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