[IC]：Si24R1
[Frequency]：2.4~2.525GHz
[Power]：7dBm
[Distance]：0.3km
[Size]：12*19mm
[Weight]：0.5±0.1g
[Introduction]：E01C-ML01S is a small size SMD module based on Si24R1, operates at 2.4Ghz with PCB antenna, using industrial-grade high-precision 16MHz crystal oscillator. The RF performance of it and components selection during R&D are all in accordance with industrial grade standards.
| Main Parameters | Value | Remarks | |
| Min. | Max | ||
| Power supply（V） | 0 | 3.6 | Voltage over 3.6V will causepermanent damage to module |
| Blocking power（dBm） | - | 10 | Chances of burn is slim when modulesare used in short distance |
| Operating temperature（℃） | -40 | +85 | - |
Operating parameter
| Main Parameters | Value | Remarks | ||
| Min. | Typical | Max | ||
| Operating voltage（V） | 2.0 | 3.3 | 3.6 | ≥3.3V ensures output power |
| Communication level（V） | - | 3.3 | - | For 5V TTL, it may be at risk ofburning down |
| Operating temperature（℃） | -40 | - | 85 | Industrial design |
| Operating frequency（MHz） | 2.4 | - | 2.525 | Support ISM band |
| TX Current(mA) | - | 12 | - | 0dBm |
| RX current（mA） | - | 15 | - | - |
| Sleep current（μA） | - | 0.7 | - | Software is shut down |
| Max Tx power（dBm） | - | 7 | - | - |
| Receiving sensitivity（dBm） | - | -83 | - | Air data rate is 250kbps |
| Air data rate（bps） | 250k | - | 2M | Controlled via user’s programming |
| Main parameter | Description | Remarks |
| Distance for reference | 300m | Test condition：clear and open area, antenna gain: 5dBi，antennaheight: 2.5m，air data rate: 250kbps |
| FIFO | 32Byte | Max length transmitted each time |
| Crystal frequency | 16MHz | - |
| Modulation | GFSK | - |
| Package | SMD | - |
| Connector | 1.27mm | - |
| Communication interface | SPI | 0-10Mbps |
| Size | 12 * 19mm | Without SMA |
| Antenna | PCB antenna | 50ohm impedance |
Limit Parameters
| Pin No. | Pin item | Pin direction | Pin application |
| 1 | VCC | - | Power supply must be 20. ~ 3.6V |
| 2 | CE | Input | Chip Enable |
| 3 | CSN | Input | SPI Chip select |
| 4 | SCK | Input | SPI clock |
| 5 | MOSI | Input | SPI master output slave input |
| 6 | MISO | Output | SPI master input slave output |
| 7 | IRQ | Output | Interrupt request. |
| 8 | GND | - | Ground |
| Order online |
| 【eBay】：https://www.ebay.com/usr/cdebyte |
| 【Aliexpress】：https://www.aliexpress.com/store/2798183 |
| 【Alibaba】：https://www.alibaba.com |
| 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 |
| Model | Interface signal | Transfer method | Frequency | Power | AT command | TCP/UDP | Interface method | Product size mm | Features | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E01C-ML01SP4 | SPI | Si24R1 | 2.4G | 20 | 2 | 250k~2M | SMD | 14.5*18 | Small size,SMD | ||
| E01C-ML01DP5 | SPI | Si24R1 | 2.4G | 20 | 2.5 | 250k~2M | DIP | 18 * 33.4 | Small size | ||
| E01C-ML01DP4 | SPI | Si24R1 | 2.4G | 20 | 1.8 | 250k~2M | DIP | 15 * 27 | Small size,DIP,PCB antenna | ||
| E01C-ML01SP2 | SPI | Si24R1 | 2.4G | 20 | 1.8 | 250k~2M | SMD | 12.8 * 25 | Small size,PCB antenna | ||
| E01C-ML01S | SPI | Si24R1 | 2.4G | 7 | 0.3 | 250k~2M | SMD | 12 * 19 | Small size patch type, onboard antenna |
