E21-900G30S Built in LNA low noise amplifier
[Interface]：Stamp hole
[Frequency]：850～931MHz
[Power]：30dBm
[Distance]：5km
[Size]：27.5*18mm
[Product weight]：3.4±0.1g
[Introduction]：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.
| Limit parameters | Min. | Max. | Remark |
|---|---|---|---|
| Power supply voltage (V) | 4.5 | 5.5 | Over 6V will permanently burn the module |
| Blocking power (dBm) | - | 18 | It is less likely to burn when used at close range |
| Working temperature (℃) | -40 | +85 | Industrial grade |
| Working parameters | Min. | Typ. | Max. | Remark |
|---|---|---|---|---|
| Working voltage (V) | 4.75 | 5 | 5.25 | ≥4.75V can guarantee output power |
| Control level (V) | 3.0 | 3.3 | 5.25 | Recommend to use 3.3V |
| Working temperature (℃) | -40 | 25 | +85 | Industrial design |
| Working frequency (MHz) | 850 | - | 931 | ISM frequency band |
| Emission current (mA) | 600 | 620 | 660 | Instantaneous power consumption 30dBm |
| Receiving current (mA) | 6.5 | 8 | - | -100dBm input current 8mA |
| Sleep current (μA) | - | 3.0 | - | T/RX_EN = 0 |
| Maximum transmit power (dBm) | 29.5 | 30 | 30.5 | Input power = 20dBm |
| Receiving gain (dBm) | 10 | 12 | 14 | -100dBm input |
| Transmitting gain (dBm) | - | 12 | - | +20dBm |
| Working parameters | Describe | Remark |
|---|---|---|
| Reference distance | 5000m | Clear and open environment, antenna gain 5dBi, antenna height 2 meters, air rate 2.4kbps GFSK |
| Encapsulation method | SMD | - |
| Interface method | 2.0mm | Stamp hole |
| Dimensions | 27.5*18mm | - |
| RF input and output interface | Stamp hole | Equivalent impedance is about 50Ω |