[IC]:LLCC68
[Frequency]:410.125~493.125MHz
[Power]:22dBm
[Distance]:5km
[Size]:21*36mm
[Product weight]:7.5g±0.1g
[Introduction]:E220-400T22D adopts a new generation of LoRa spread spectrum technology and a wireless serial port module (UART) designed based on the LLCC68 chip scheme. It has a variety of transmission methods, works in the(410.125~493.125MHz) frequency band (default 433.125MHz), TTL level output, compatible with 3.3V and 5V IO port voltage
Main Parameter | Performance | Remark |
---|---|---|
Operating frequency | 410.125~493.125MHz | Support ISM band |
Tx power | 22 dBm | - |
Receiving sensitivity | -127dbm | Air data rate 2.4kbps |
Air data rate | 2.4k~62.5kbps | To control via user’s program |
Distance for reference | 5Km | Test condition:clear and open area, antenna gain: 5dBi,antenna height: 2.5m,air data rate:2.4kbps |
Main Parameter | Performance | Remark |
---|---|---|
Size | 21 * 36mm | - |
Antenna | SMA-K | 50 ohm impedance |
Communication interface | UART | TTL Level |
Package | DIP | - |
Main Parameter | Min | Typ. | Max. | Unit | Remark |
---|---|---|---|---|---|
Operating voltage | 2.3 | 3.3 | 5.5 | V | ≥3.3V ensures output power |
Communication level | - | 3.3 | - | V | For 5V TTL, it may be burning down |
TX current | - | 110 | - | mA | Instant power consumption @30dBm |
RX current | - | 16.8 | - | mA | 5V Voltage |
Sleep current | - | 5.0 | - | uA | Sleep mode |
Operating temperature | -40 | 20 | +85 | ℃ | Industrial design |