[Interface]:Trou de scellement
[Fréquence]:850~931MHz
[Pouvoir]:30dBm
[Distance]:5km
[Poids du produit]:3.4±0.1g
[Taille]:27.5*18mm
[Introduction]:E21-900G30S est un amplificateur de puissance moyenne (PA) RF matériel pur de Chengdu ebyte Company, avec une puissance de sortie maximale de 1W et une gamme de fréquences de 850 ~ 931mhz. Le module est équipé d'un amplificateur LNA à faible bruit, ce qui améliore considérablement la communication sans fil. Distance de communication.
| Pin number | Pin name | Pin direction | Pin usage |
|---|---|---|---|
| 1 | VCC | Enter | Power supply, range 4.75~5.5V (5V is 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 |