| Module | Interface | IC | FrequencyHz | PowerdBm | Distancekm | Air Ratebps | Package | Sizemm | Feature | Manual | Sample | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EWT201-900A30S | USB | - | - | - | - | - | - | - | 50*100 | EWM201-900A30S Wireless Audio Intercom Module Development Board | ||
| EWT201-900A20S | USB | - | - | - | - | - | - | - | 50*100 | EWM201-900A20S Wireless Audio Intercom Module Development Board | ||
| EWM201-900A30S | UART | - | 863-928M | 30 | 5 | - | SMD | 33*26.5 | Long-distance audio transmission, digital intercom, wireless voice intercom module | |||
| EWM201-900A20S | UART | - | 863-928M | 20 | 3.5 | - | SMD | 16*26 | Long-distance audio transmission, digital intercom, wireless voice intercom module | |||
| EWM201-470A30S | - | - | - | - | - | - | - | - | ||||
| EWM201-470A20S | - | - | - | - | - | - | - | - |