[Interface]：USB
[IC]：ASR6505
[Size]：70*36mm
[Introduction]：The E78 series products are radio frequency transceiver modules with multiple frequency bands designed and produced by Ebyte, with long communication distance and extremely low current consumption in low power consumption mode. This module is a small-volume patch type (pin spacing 1.1mm).
| Main Parameters | Value | Notice |
| Working voltage（V） | 1.8~3.7 | ≥3.3V can guarantee output power |
| Communication level（V） | 3.3 | Using 5V TTL is risky to burn |
| Working temperature（℃） | -40~+85 | Industrial design |
| Working frequency（MHz） | 850~925 | Support ISM frequency band |
| Emission current（mA） | 145 | Instantaneous power consumption |
| Receiving current（mA） | 13 | - |
| Sleep current（μA） | 2.0 | Software shutdown |
| Maximum transmit power（dBm） | 22 | - |
| Receiving sensitivity（dBm） | -122~-126 | The air rate is 595kbps |
| Air rate LoRa（bps） | 62.5k | User programmable customization |
| Air rate GFSK（bps） | 300K | User programmable customization |
| Ideal Range | 5500m | At Max TX power and 2.4kbps air rate, Two modules in a line of sight, clear weather, with 5dbi antennas at 2.5meters. |
| Crystal frequency | 32MHz | TXCO |
| Modulation | LoRa(recommended) | GFSK ，LoRa |
| Encapsulation method | SMA | - |
| Interface method | Stamp-hole | Diameter 1.1mm |
| Dimensions | 26*16mm | - |
| RF interface | IPEX/stamp-hole | Equivalent impedance is about 50Ω |