[Frequency] : 850~931MHz
[Power] : 30dBm
[Distance] : 5km
[Tx gain] : 10dB
[Rx gain] : 12dB
[Size] : 27.5*18mm
[Feature] : E21-900G30S is a pure hardware RF mid-power amplifier (PA) launched by Chengdu Ebyte Company, with a maximum output power of 1W, covering a frequency range of 850 ~ 931MHz. The module has a built-in LNA low-noise amplifier, which greatly improves wireless communication. Communication distance.
| Pin number | Pin name | Pin direction | Pin usage |
| 1 | VCC | enter | Power supply, range 3.3~5.5V (5V recommended, ceramic filter capacitor is recommended to be added externally) |
| 2 | GND | enter | Ground wire, connected to the power reference ground |
| 3 | TX_EN | enter | RF switch pin control; when transmitting, TX_EN is high and RX_EN is low |
| 4 | RX_EN | enter | RF switch pin control; when receiving, RX_EN is high and TX_EN is low |
| 5 | GND | input/Output | Ground wire, RF reference ground |
| 6 | PIN | input/Output | Sending mode: RF signal input, receiving mode: RF signal output,impedance 50ohm |
| 7 | GND | input/Output | Ground wire, RF reference ground |
| 8 | GND | input/Output | Ground wire, RF reference ground |
| 9 | ANT | input/Output | Sending mode: RF signal output, receiving mode: RF signal input,impedance 50ohm |
| 10 | GND | input/Output | Ground wire, RF reference ground |
| Order online |
| 【eBay】：https://www.ebay.com/usr/cdebyte |
| 【Aliexpress】：https://cdebyte.pt.aliexpress.com |
| 【Aliexpress】：https://www.aliexpress.com |
| 【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 | IC | Interface | Frequency Hz | Power dBm | Distance km | Air Rate(bps) | Package | Size (mm) | Feature | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E21-900G30S | - | - | 868/915M | 30 | 5.0 | 1k | SMD | 27.5*18 | Long transmission distance, strong penetration and diffraction ability | ||
| E21-400G30S | - | - | 433/470M | 30 | 5.0 | 1k | SMD | 27.5*18 | Long transmission distance, strong penetration and diffraction ability | ||
| E21-PA01 | - | - | 410 ~ 480M | 30 | 5.0 | - | SMD | 23 * 40mm | LNA (low-noise amplifier) |
