The EBYTE E51-470NW16S is a high-performance 470 to 510 MHz wireless SoC module powered by the Silicon Labs EFR32FG25 chipset, delivering 16dBm transmit power, up to 3.6Mbps bandwidth via OFDM modulation, and supporting Wi-SUN FAN and ZigBee 3.0 protocols for large-scale self-organizing networks spanning up to 2.5km in dense urban environments.
| Technical Parameter | E51-470NW16S Specifications |
|---|---|
| Core Chipset / SoC | Silicon Labs EFR32FG25 Series (High-performance Dual-band Wireless SoC) |
| Operating Frequency Band | 470 to 510 MHz |
| Maximum Transmit Power | 16 dBm |
| Modulation Technology | OFDM (Orthogonal Frequency Division Multiplexing) |
| Supported Network Protocols | Wi-SUN FAN (Field Area Network), ZigBee 3.0 Self-organizing Network |
| Maximum Data Bandwidth | Up to 3.6 Mbps |
| Communication Distance | 300 to 2500 meters (0.3km to 2.5km, environment dependent) |
| Development Architecture | Supports user secondary MCU development with rich hardware interface resources |
| Form Factor & Size | SMD Package, 20 * 20 mm |
| Product Net Weight | 2 grams plus or minus 0.1 grams |
| RF Parameters | Parameter value | Notes |
| Working Frequency | 470~510 MHz | — |
| Power | 16 dBm | The software is adjustable and needs to be developed by the user |
| Receiving sensitivity (GFSK) | -117. 7 dBm | 10 kbps 2GFSK signal, Af = ± 25 kHz, BER<0.1%2 |
| Receiving sensitivity (OFDM) | -116. 8 dBm | 10% packet error rate (PER) without interference, OFDM 0ption4, MCSO, header MCSO, with PL = 20 octets |
| Measured distance | 2. 5 km | Clear and open, antenna gain 3. 5dBi, antenna height 2 meters, air speed 10kbps |
| Electrical parameter | Min | Typical value | Max | Unit | Notes |
| Supply voltage | 2.0 | 5.0 | 5. 5 | V | >5. 0V The output power is guaranteed, and more than 5. 5V May damage the module. |
| Communication level | 一 | 3. 3 | 一 | V | Level switching is recommended with 5. 0V TTL |
| Emission current | - | 81 | - | mA | Instantaneous power consumption |
| Receiving current | - | 11 | - | mA | — |
| Sleep current | - | 2.6 | - | uA | EM2 Deep sleep |
| Operating temperature | -40 | 一 | 125 | ℃ | — |
| Working humidity | 10 | - | 90 | % | — |
| Storage temperature | -50 | - | 150 | ℃ | — |
| Hardware parameter | Parameter value | Notes |
| IC | EFR32FG25A121F1152IM56-B | Support OFDM, can be replaced with other models in the same series, welcome to consult |
| core | ARM Cortex®-M33 | 97.5MHz, high-performance 32-bit ARM processor with DSP instructions and floating point unit |
| FLASH | 1152 KB | Can be replaced with other models in the same series, up to 1152 KB support, welcome to consult |
| RAM | 256 KB | Can be replaced with other models in the same series, up to 256 KB support, welcome to consult |
| Crystal frequency | 39MHz/32. 768KHz | The module has been connected. Procedure |
| Size | 20 * 20 mm | — |
| Antenna Type | IPEX/Stamp Hole | The equivalent impedance is about 50Q |
| Conununica tion interface | Crystal frequencyUSB2. 0、 EUART、 SPI. EUSART、 P8M、 ADC | Users need to develop their own Settings |
| Package way | SNfD/stamp holes | The distance between the feet is 1. 27mm |
| Weight | 2. 07 ±0. 1g | — |








