[Poids du produit]:2.3±0.5g
[IC]:A7139
[Fréquence]:425~470MHz
[Puissance]:20dBm
[Distance]:2km
[Taille]:20*14mm
[Fonctionnalité]:Super cost-effective, low power consumption
[Introduction]:E41-400M20S est un module de transmission de données sans fil à très haut rendement lancé par Ebyte. Il est basé sur la puce radiofréquence A7139 d'AMICCOM et se caractérise par sa petite taille et sa faible consommation d'énergie.
Limit Parameters
| Main Parameters | Value | Remarks | |
| Min. | Max | ||
| Power supply(V) | 2.5 | 3.6 | Over 3.6V, the module will be burned |
| Operating temperature(℃) | -40 | +85 | Industrial grade |
Operating parameter
| Main Parameters | Value | Remarks | ||
| Min. | Typical | Max | ||
| Working Voltage (V) | 2.5 | 3.3 | 3.6 | Over 3.6V, the module will be burned |
| Communication level(V) | - | 3.3 | - | - |
| Working temperature (℃) | -40 | - | 85 | Industrial design |
| Working frequency(MHz) | 425 | 433 | 470 | - |
| TX Current(mA) | - | 150 | - | Instantaneous value @ 20dBm |
| RX current(mA) | - | 3.8 | - | - |
| Sleep current(μA) | - | 2.0 | - | Sleep status |
| Max Tx power(dBm) | - | 20 | - | - |
| Receiving sensitivity(dBm) | -113 | -114 | -115 | Air rate @ 2 kbps |
| Main parameter | Description | Remarks |
|---|---|---|
| Reference distance | 2 km | Clear and open environment, antenna gain 5dBi, antenna height2.5m, air rate 2kbps |
| Crystal frequency | 12.8 MHz | - |
| Package | SMD | - |
| Chip model | A7139/QFN24 | - |
| Communication Interface | SPI | - |
| Dimensions | 20*14 mm | - |
| RF interface | IPEX/Stamp hole | Impedance is 50 Ω |
| Weight | 1.3±0.1g | - |