SI4463 Low Price Rf Transceiver Type Rf Chip Type Chip Type Wireless
[IC]：SI4438
[Frequency]：425～525MHz
[Power]：20dBm
[Distance]：2.5km
[Size]：20*14mm
[Introduction]：E30-400M20S is a hardware module (SPI) based on the SI4438 RF chip imported from Silicon Labs. It is a half-duplex, SMD integrated transceiver with transparent transmission available. With working frequency band 425～525MHz, transmitting power 100mW, it is suitable for a variety of environments.
| Main parameter | Performance | Remark |
|---|---|---|
| Reference distance | 2.5Km | Test condition: clear and open area, antenna gain: 5dBi, antenna height: 2.5m, air data rate: 1k bps |
| Modulation | GFSK | - |
| Modulation | GFSK | - |
| Communication Interface | SPI | Max. rate 10Mbps |
| Package | SMD | - |
| Interface method | Stamp Hole | - |
| Size | 20*14mm | - |
| Antenna | IPEX/STAMP | 50 ohm impedance |
| Main parameter | Min. | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|
| Operating voltage | 1.8 | 3.3 | 3.6 | V | 3.3V ensures output power |
| Operating frequency | 425 | - | 525 | MHz | - |
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be at risk of burning down |
| TX current | 80 | 100 | 130 | mA | Instant power consumption |
| RX current | - | 16.5 | - | mA | - |
| Sleep current | - | 2.5 | - | μA | - |
| Operating temperature | -40 | - | +85 | ℃ | Industrial grade |
| Max TX power | 19 | 20 | 21 | dBm | - |
| Receiving sensitivity | -113 | -115 | -116 | dBm | Air data rate is 1k bps |