[Puissance de transmission]:20 dBm
[Distance de communication]:5 km
[Débit aérien]:2,4 kbps à 62,5 kbps
[Taille du produit]:26*16mm
[Poids du produit]:2,37 ± 0,05 g
[Introduction]:Le module E290-900T20S est un module sans fil de nouvelle génération, un module de port série sans fil UART basé sur la puce RF PAN3060 de Panqi Micro. Il dispose de plusieurs modes de transmission, fonctionne dans la bande de fréquences de (850,125 à 930,125 MHz) (par défaut 868,125 MHz), adopte la technologie à spectre étalé ChirpIoT™ et dispose d'une sortie de niveau TTL. Le module sans fil adopte la nouvelle génération de technologie à spectre étalé ChirpIoT™
| Pin number | Pin name | Pin Direction | Pin usage |
| 1 | GND | - | Module ground wire |
| 2 | GND | - | Module ground wire |
| 3 | GND | - | Module ground wire |
| 4 | GND | - | Module ground wire |
| 5 | M0 | Input (pull up) | Cooperate with M1 to determine the 4 working modes of the module (not suspended, if not used, grounded) |
| 6 | M1 | Input (pull up) | Cooperate with M0 to determine the 4 working modes of the module (not suspended, if not used, grounded) |
| 7 | RXD | enter | TTL serial port input, connected to the external TXD output pin; |
| 8 | TXD | Output | TTL serial port output, connected to the external RXD input pin; |
| 9 | TO | Input/Output | Used
to indicate the working status of the module; it is prohibited to low
when powered on, otherwise it will enter firmware upgrade mode; The user wakes up the external MCU and outputs a low level during power-on self-test initialization; (can be suspended) |
| 10 | VCC | - | Module power supply positive reference, voltage range: 2.6~5.5V DC |
| 11 | GND | - | Module ground wire |
| 12 | RST | - | Module reset pin, pull down 1ms to reset |
| 13 | GND | - | Module ground wire |
| 14 | NC | - | Hanging, ungroundable |
| 15 | NC | - | Hanging, ungroundable |
| 16 | NC | - | Hanging, ungroundable |
| 17 | NC | - | Hanging, ungroundable |
| 18 | NC | - | Hanging, ungroundable |
| 19 | GND | - | Module ground wire |
| 20 | GND | - | Module ground wire |
| 21 | On | - | antenna |
| 22 | GND | - | Module ground wire |