Low Power Rf Transmitter and Receiver Module Cortex-M0 915MHz EFR32 20dBm SMD Wireless Module
[IC]：EFR32
[Frequency]：902~931MHz
[Power]：20dBm
[Distance]：2.5km
[Weight]：Weight
[Introduction]：E76-915M20S is a small SPI wireless module designed by Ebyte. It is SMD, working as both transmitter and receiver. The antenna includes stamp hole and IPEX. With stable batch production, the module is suitable for various application.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 902~931 MHz | Support ISM band |
| Transmitting power | 20 dBm | About 100mW |
| Receiving sensitivity | -107 dBm | Air data rate is 1k bps |
| Air data rate | 0.1k~2M | Controlled via user's programming |
| Test distance | 2500m | In open and clear air, with maximum power, 5 dBi antenna gain, height of 2m, air data rate: 1k bps |
| Hardware Parameter | Value | Remark |
|---|---|---|
| IC | EFR32FG1P131F256GM48 | - |
| FLASH | 256 KB | - |
| RAM | 32 KB | - |
| Core | ARM Cortex M4 | - |
| Size | 16 * 26 mm | - |
| Antenna type | IPEX / Stamp hole | - |
| Communication interface | SPI | - |
| Package | SMD | - |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 1.85 | 3.3 | 3.8 | V | ≥3.3V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be at risk of burning down |
| Transmitting current | - | 110 | - | mA | Instant power consumption |
| Receiving current | - | 17 | - | mA | - |
| Sleep current | - | 1 | - | μA | Software is shut down |
| Operating temperature | -40 | - | +85 | ℃ | Industrial design |
| Operating humidity | 10 | - | 90 | % | - |
| Storage temperature | -40 | - | +125 | ℃ | - |