[Chip solution]:LLCC68
[Frequency]:410.125~493.125MHz
[Transmitter power]:30dBm
[Communication distance]:10km
[Size]:26*48mm
[Product weight]:10.2g±0.1g
[Introduction]:The E220-400R30D uses a new generation of based on the RS485 module designed for the LLCC68 chip scheme with a variety of transmission modes. It operates in the (410.125 to 493.125MHz) frequency (default 433.125MHz) and supports DC 5.0 power supply.
| Main parameter | parameter Description | Remark |
|---|---|---|
| Reference distance | 10km | Test condition:clear and open area, antenna gain: 5dBi,antenna height: 2.5m,air data rate: 250 kbps |
| Launch length | 200 Byte | The subcontract 32/64/128/200 bytes can be sent by instruct settings |
| Cache capacity | 400 Byte | - |
| Modulation | LoRa | New generation of LoRa modulation technology |
| Communication Interface | 485 interface | 485 level |
| Encapsulate | Pin | - |
| Interface | PH2.0 | Space 2.0mm with reserved 2.54mm hole |
| Outter size | 26*48mm | - |
| RF interface | SMA-K | The equivalent impedance is about 50 degrees |
| Main parameter | Min | Type | Max | Unit | Remark |
|---|---|---|---|---|---|
| Operating voltage | 4.5 | 5.0 | 5.5 | V | ≥5.5 V ensures output power |
| Communication level | - | - | - | V | For 5V TTL, it may be at risk of burning down |
| Operating temperature | -40 | - | 85 | ℃ | Industrial grade |
| Operating frequency | 410.125 | - | 493.125 | MHz | Support ISM band |
| TX current | - | 630 | - | mA | Instant power consumption@30dBm |
| RX current | - | 19 | - | mA | - |
| Sleep current | - | - | - | uA | Low power consumption is not supported |
| Max TX power | 29.5 | 30.0 | 30.5 | dBm | - |
| Receiving sensitivity | - | -129 | - | dBm | -124dbm,BW_L=125kHz,SF = 7,LORA TM; -129dbm,BW_L=125kHz,SF = 9,LORA TM; -121dbm,BW_L=250kHz,SF = 7,LORA TM; -129dbm,BW_L=250kHz,SF = 10,LORA TM; -117dbm,BW_L=500kHz,SF = 7,LORA TM; -127dbm,BW_L=500kHz,SF = 11,LORA TM; |
| Air data rate | 2.4k | 2.4k | 62.5k | bps | Controlled via user’s programming |