[Introduction]：E200-900A17S is a new wireless audio transmission module with integrated transceiver. It features small size and convenient use. It works in the (863-928MHz) band (default 863.275MHz), adopts hardware I/O to select channels, supports MIC input and speaker output, compatible with 3.3V and 5V power supply voltage.
| Main parameter | Performance | Remarks | |||
| Min. | Typ. | Max. | |||
| Working voltage（V） | 2.3 | 3.3 | 5.5 | ≥5V can guarantee the output power, more than 5.5V will permanently burn the module | |
| I/O voltage | -0.3 | - | 3.6 | Exceeding 3.6V may permanently damage the | |
| Communication level (V) | -0.3 | 3.3 | 3.6 | Risk of burnout when using 5V level | |
| Working temperature (°C) | -40 | - | +85 | Industrial grade design | |
| Power consumption | TX current（mA） | 98 | 100 | 102 | Instantaneous power consumption, average current: 35mA |
| RX current（mA） | 44 | 45 | 46 | Output connection 8ohm,250mW speaker, maximum volume 185mA | |
| Hardware parameter | Value | Remarks |
| Packaging method | SMD | - |
| Interface | Stamp hole | 间距 1.27mm |
| Communication Interface | UART | TTL level(reserved) |
| Dimensions | 16*26 mm | - |
| Product Weight | / | - |
| RF interface | IPEX/Stamp hole | Equivalent impedance is about 50Ω |
| RF parameter | Value | Remarks |
| Working frequency | 863MHz～928MHz | Support ISM band |
| Transmit power | 16.5dBm～17.5dBm | The software is adjustable, and users need to |
| Receive sensitivity | -98dBm | Air rate 500kbps |
| Modulation | FSK | Modulation technology |
| Blocking power | 15dBm | The probability of burning at close range is |
| Audio sampling | 60Hz~5KHz | There is a 12-bit ADC inside the chip |
| Reference distance | 300m | Clear and open, antenna gain 5dBi, antenna |