| Main Parameter | Min. | Typ. | Max. | Unit | Remark |
| voltage | 3.0 | 3.3/5 | 5.5 | V | Over 5.5V may burn the module permanently |
| Working frequency | 410 | 433 | 493 | MHz | Channel spacing 0.5MHz |
| Emission current | - | 32 | - | mA | 433MHz@13dBm |
| Receive current | - | 6 | - | mA | Regular receipt |
| Sleep current | - | 1.6 | - | uA | - |
| Maximum output power | 12 | 13 | 13 | dBm | - |
| Receiving sensitivity | - | -119 | - | dBm | -2Kbps |
| Air speed | 2K | 2K | 25K | bps | Multi-level adjustable |
| - | - | - | - | - | - |
| - | - | - | - | - | - |
| Main Parameter | Performance | Remark |
| Reference distance | 2.5km | - |
| Send length | 58 Byte | Maximum transmission bytes in a single time |
| Cache capacity | 80Byte | Software actual debugging |
| Modulation | FSK | - |
| Communication interface | UART | 8N1\8E1\EO1,1200~38400Multi-level adjustable |
| Package | SMD | - |
| Size | 16*26 | - |
| Antenna | IPEX/Stamp hole | Equivalent impedance is about 50Ω |
| No. | Name | Direction | Function |
| 1 | GND | - | Module ground |
| 2 | GND | - | Module ground |
| 3 | GND | - | Module ground |
| 4 | GND | - | Module ground |
| 5 | M0 | Input (very weak pull-up) | Cooperate with M1 to determine the 4 working modes of the module. (Can not be suspended, if not used, it can be grounded) |
| 6 | M1 | Input (very weak pull-up) | Cooperate with M0 to determine the 4 working modes of the module. (Can not be suspended, if not used, it can be grounded) |
| 7 | RXD | Input | TTL serial port input, connected to the external TXD output pin; |
| 8 | TXD | Output | TTL serial port output, connected to the external RXD input pin; |
| 9 | AUX | Output | Used to indicate the working status of the module; the user wakes up the external MCU, and outputs low level during power-on self-check initialization; (can be left floating) |
| 10 | VCC | - | Module power supply positive reference, voltage range: 3~3.6V DC |
| 11 | GND | - | Module ground |
| 12 | NC | Reserved | （OCDSCK） |
| 13 | GND | - | Module ground (GND) |
| 14 | NC | Reserved | (OCDSDA) |
| 15 | NC | Reserved | (VDD） |
| 16 | NC | Reserved | PA4 |
| 17 | NC | Reserved | PA2 |
| 18 | NC | Reserved | GPIO3 |
| 19 | GND | - | Module ground |
| 20 | GND | - | Module ground |
| 21 | ANT | - | antenna |
| 22 | GND | - | Module ground |
| Order online |
| 【eBay】：https://www.ebay.com/itm/194387676427 |
| 【Aliexpress】：https://cdebyte.pt.aliexpress.com |
| 【Aliexpress】：https://pt.aliexpress.com/item/1005003329875355.html |
| 【Alibaba】：https://www.alibaba.com/product-detail/COjxu-OEM-ODM-E330-400T13S-New_1600342064609.html? |
| For batch order/customized product |
| 【Sales hotline】：+86-28-61399028 Ext.812 |
| 【E-mail】：service@cdebyte.com |
| Technical support |
| 【Submit online】：http://www.ebyte.com/en/apple-technology.aspx |
| 【E-mail】：support@cdebyte.com |
| 产品 型号 | Interface Type | Carrier frequency Hz | Transmit power dBm | Test distance km | Air rate bps | Package form | Product size mm | Features | 技术 手册 | 样品 购买 |
|---|---|---|---|---|---|---|---|---|---|---|
| E330-400T13S | UART | 433M 470M | 13 | 2.5 | 2K~25K | SMD | 16*26 | Small size, integrated transceiver |
