EBYTE E22-400T22D-V2 is a wireless serial port module (UART) based on SEMTECH . It has a variety of transmission modes, working at 410.125MHz~493.125MHz, frequency (default 433.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage.
Frequency: 410.125~493.125MHz
Power: 22dBm
Distance: 5km
Size: 21*36mm
Weight: 6.7±0.2g
Main Parameters | Value | Remarks | |
Min. | Max | ||
Power supply(V) | 0 | 5.5 | Voltage over 5.5V will cause permanent damage to module |
Blocking power(dBm) | - | 10 | Chances of burn is slim when modules are used in short distance |
Operating temperature(℃) | -40 | +85 | Industrial grade |
Main Parameters | Value | Remarks | ||
Min. | Typical | Max | ||
Operating voltage(V) | 2.3 | 5.0 | 5.5 | ≥5.0 V ensures output power |
Communication level(V) | - | 3.3 | - | For 5V TTL, it may be at risk of burning down |
Operating temperature(℃) | -40 | - | 85 | Industrial design |
Operating frequency(MHz) | 410.125 | 433.125 | 493.125 | Support ISM band |
TX Current(mA) | - | 110 | - | Instant power consumption |
RX current(mA) | - | 12 | - | - |
Sleep current(μA) | - | 2 | - | Software is shut down |
Max Tx power(dBm) | 21.5 | 22.0 | 22.5 | - |
Receiving sensitivity(dBm) | -146 | -147 | -148 | Air data rate is 0.3 kbps |
Air data rate(bps) | 0.3k | 2.4k | 62.5k | Controlled via user’s programming |
Main parameter | Description | Remarks |
Distance for reference | 5km | Test condition:clear and open area, antenna gain: 5dBi,antenna height:2.5m,air data rate: 2.4kbps |
TX length | 240 Byte | Can be configured via command as 32/64/128/240 bytes per packet totransmit |
Buffer | 1000 Byte | - |
Modulation | LoRa | New generation LoRa modulation technology |
Communication interface | UART | TTL level |
Package | DIP | - |
Connector | 1*7*2.54mm | - |
Size | 21*36 mm | - |
Antenna | SMA | 50 ohm impedance |