| Module | Interface | IC | FréquenceHz | PowerdBm | DistanceKm | Protocol | Antenna | Sizemm | Feature | Manual | Muestra |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E104-BT51 | UART | CC2640R2L | 2.402~2.480GHz | 5 | 50 | BLE5.0 | PCB | 16*11.5mm | Low power bluetooth to serial module | ||
| E104-BT51A | UART | CC2640R2L | 2.402~2.480GHz | 5 | 50 | BLE5.0 | PCB | 16*11.5mm | BLE to serial module |