[Bande de fréquence de travail]:410 ~ 493 MHz.
[Puissance de transmission]: 37 dBm
[Distance de communication]: 20 km
[Gain de réception]: 15 dBm
[Taille du produit]: 45 x 30 mm.
[Introduction]:E21-400G37S est un amplificateur de puissance moyenne (PA) RF purement matériel lancé par Chengdu Ebyte Company, avec une puissance de sortie maximale de 37 dBm, couvrant une plage de fréquences de 410 à 493 MHz, et un amplificateur LNA à faible bruit intégré dans le module, ce qui améliore considérablement la communication sans fil. distance de communication.
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 |
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 |