[IC] : ASR6501
[Frequency] : 850-925MHz
[Power] : 21dBm
[Size] : 20* 14*2.8 mm
[Weight] : 1.2g±0.1g
[Introduction] : E78-868LN22S is a SoC LoRa RF module designed by Ebyte with max transmitting power of 22dBm.With ASR company's ASR6501 chip,which is an ultra-low power LoRa integrated single chip SoC,Semtech advanced low power LoRa Transceiver SX1262,and integrated a Cypress 32-bit cor-m0 + low power MCU,Flash capacity 128kB, SRAM capacity 16kB.
Main parameter
| Main parameter | Description |
| Core IC | ASR6501 |
| Size | 20* 14*2.8 mm |
| Net weight | 1.3±0.1g |
| Working temperature | -40 ~ 85℃ |
| Working humidity | 10% ~ 90% |
| Storage temperature | -40 ~ 125°C |
| No. | Name | Direction | Function |
| 1 | GND | - | Ground wire, connected to the power reference ground |
| 2 | VCC | - | Power supply, range 2.5-3.7v (external ceramic filter capacitor is recommended) |
| 3 | SETB | Input/output | MCU GPIO |
| 4 | DIO1 | Input/output | NC (reserved pin) |
| 5 | BUSY | Input/output | NC (reserved pin) |
| 6 | I2C_SDA | Input/output | NC (reserved pin) |
| 7 | I2C_SCL | Input/output | NC (reserved pin) |
| 8 | UART_CTS | Input/output | NC (reserved pin) |
| 9 | UART_RTS | Input/output | NC (reserved pin) |
| 10 | GND | - | Ground wire, connected to the power reference ground |
| 11 | ANT | - | Antenna interface, stamp hole (50 ohm characteristic impedance) |
| 12~15 | GND | - | Ground wire, connected to the power reference ground |
| 16 | XRES | Input | External reset pins |
| 17 | ADC_IN | Input | NC (reserved pin) |
| 18 | AUX | Input/output | NC (reserved pin) |
| 19 | SETA | Input/output | NC (reserved pin) |
| 20 | UART_RX | Input/output | UART RX pin |
| 21 | UART_TX | Input/output | UART TX pin |
| 22 | SWD_DATA | Input/output | SWD Data pins |
| 23 | SWD_CLK | Input/output | SWD Clock pin |
| 24 | GND | - | Ground wire, connected to the power reference ground |
| 25 | SPI_MISO | Input/output | SPI MISO test point, internally connected, cannot be used as external SPI |
| 26 | SPI_NSS | Input/output | SPI NSS test point, internally connected, cannot be used as an external SPI |
| 27 | SPI_MOSI | Input/output | SPI MOSI test point, internally connected, cannot be used as an external SPI |
| 28 | SPI_SCK | Input/output | SPI SCK test point, internally connected, cannot be used as external SPI |
| 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 | IC | Frequency Hz | Power dBm | Distance km | Air Rate(bps) | Package | Size (mm) | Feature | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E78-868LN22S(6601) | SoC | ASR6601 | 868M | 22 | 5.6 | 0.018~62.5k | SMD | 14*20 | standard LoRaWan node module | ||
| E78-470LN22S(6601) | SoC | ASR6601 | 470M | 21 | 5.6 | 0.018~62.5k | SMD | 14*20 | LoRa SoC RF Module | ||
| E78-900TBL-01A | USB | ASR6505 | 850~925M | - | 5.5 | - | - | 70*36 | E78 series module test board | ||
| E78-400M22S1C | SoC | ASR6601 | 470M 433M | 21 | 5.5 | - | SMD | 26*16*2.8 | LoRa Spread Spectrum | ||
| E78-400TBL-01 | USB | - | - | - | - | - | - | 58*28 | E78 series module test board | ||
| E78-400M22S1A | - | ASR6505 | 470M 433M | 21 | 5.5 | - | SMD | 26* 16*2.8 | LoRaWan node module | ||
| E78-868LN22S | - | ASR6501 | 900MHz | 21 | - | - | SMD | 20* 14*2.8 | LoRa RF Module，Wireless Module | ||
| E78-470LN22S | - | ASR6501 | 433M | 22 | 7 | 0.018k~62.5k | SMD | 14*20 | Low consumption, anti-interference |
