[Interface Type]：UART/PHY
[Operating Frequency]： 915MHz
[Transmit Power]：33dBm
[Communication Distance]：2km
[Size]：50*30.9mm
[Product Weight]：9.0±0.2g
[Introduction]：The E611-915NW33S module is a 2W high-power, long-distance image and data transmission module. It boasts a transmission rate of 16Mbps, can transmit up to four channels of 1080p video, supports a network of up to 31 sub-nodes, and can simultaneously transmit data via Ethernet and serial ports. The module uses universal AT commands, making operation simple and quick. It can be widely used in smart wearables, home automation, home security, personal healthcare, smart appliances, accessories and remote controls, automobiles, lighting, industrial internet, intelligent data acquisition, and intelligent control, among other fields.
Official Store
| Pin number | name | Function | Remark |
| 1 | GND | - | power ground |
| 2 | TX+ | I/0 | Transceiver Data+ (Send Data+) |
| 3 | TX- | I/0 | Transceiver Data - (Send Data) |
| 4 | RX+ | I/0 | Receive Data+ |
| 5 | RX- | I/0 | Receive Data - |
| 6 | GND | - | power ground |
| 7 | COME | - | Power input 4.2V~28V, 5V or 12V recommended. |
| 8 | GND | - | power ground |
| 9 | UART_RX | I/0 | RXD is the receive pin, TTL level. |
| 10 | UART_TX | I/0 | TX is the transmit pin, TTL level. |
| 11 | GND | - | power ground |
| 12 | GND | - | power ground |
| 13 | ON | - | Antenna interface, equivalent impedance approximately 50Ω |
| 14 | GND | - | power ground |
| 15 | GND | - | power ground |
| 16 | GND | - | power ground |
| 17 | GND | - | power ground |
| 18 | GND | - | power ground |
| 19 | DBUG_IO | I/0 | RSSI signal strength indicator I/O, active low |
| 20 | DBUG_CLK | I/0 | RSSI signal strength indicator I/O, active low |
| 21 | PA7 | I/0 | RSSI signal strength indicator I/O, active low |
| 22 | PA6 | I/0 | Connection indicator I/O, active low |
| 23 | PA8 | I/0 | Mode selection control I/O: high level for master mode, low level for slave mode. |
| 24 | PA9 | I/0 | The module has internal pull-up switches paired with control I/O. Users can refer to the recommended schematics on the official website for their designs. |
| 25 | PB1 | I/0 | - |
| 26 | +3.3V | - | The internal voltage of the connection module is 3.3V, which is not a concern for the user. |
| 27 | LED0 | I/0 | PHY indicator light |
| 28 | LED1 | I/0 | PHY indicator light |
Note: RSSI model strength indicator is triggered sequentially, in the following order: PA7→DebugCLK→DebugIO.