E21-400G37S RF Gain Power Amplifier PA High Power Wireless RF Power Amplifier Module
[Working frequency band]：410~493MHz
[Transmission power]： 37dBm
[Communication distance]：20km
[Receive gain]：15dBm
[Product size]：45*30mm
[Introduction]：E21-400G37S is a pure hardware RF mid-power amplifier (PA) launched by Chengdu Ebyte Company, with a maximum output power of 37dBm, covering a frequency range of 410-493MHz, and a built-in LNA low-noise amplifier in the module, which greatly improves the wireless communication. communication distance.
| Main parameter | Performance | Note | |||
| Min | Type | Max | |||
| Supply voltage (V) | 3.3 | 5 | 5. 5 | ≥ 4. 7V guaranteed output power | |
| PA control voltage (V) | 7.4 | 7.5 | 7.6 | 7.5V is recommended to ensure the best performance | |
| Operating temperature (℃) | -40 | 25 | +85 | Industrial grade design | |
| Operating frequency band (MHz) | 410 | - | 493 | ISM band | |
| Power waste | Emission current (mA) | 1400 | 1500 | 1600 | Instantaneous power 37dBm (power supply voltage 5V, PA voltage 7. 5V test) |
| Receiving current (mA) | 6.5 | 8 | - | -lOOdBm input current 8mA | |
| Sleep current ( u A) | 3.0 | T/RX_EN = 0 | |||
| Maximum transmit power (dBm) | 36 | 37 | 38 | The front stage input power is greater than 17dBm, which can ensure full power output | |
| Receive gain (dBm) | 14 | 15 | 17 | -lOOdBm input | |
| Main parameter | Description | Note |
| Reference distance | 20Km | Clear and open environment, antenna gain 5dBi, antenna height 2m, air speed 2. 4kbps |
| Packaging method | SMD | / / |
| Interface mode | 1. 5mm | Stamp hole |
| Overall dimensions | 45*30mm | / / |
| RF input/output interface | Stamp/IPX | Equivalent impedance about 50 Q |
| Main parameter | Performance | Note | |
| Min | Max | ||
| Supply voltage (V) | 3.3 | 5. 5 | Permanently burned modules over 6V |
| PA drive voltage (V) | 7.4 | 7.6 | Default 7. 5V power supply can output full power |
| Blocking power (dBm) | - | lOdbm | High burning probability of high-power module in close use |
| Operating temperature (eC) | -40 | +85 | Industrial grade |