新網站功能測試中,非最終報價且無法下單,敬請見諒!

420-450MHz 超低功耗數據無線電模塊

420-450MHz Ultra low power data radio module

貨號 317010009
售價 797.94 (未稅)
含營業稅 837.84
廠商庫存 0

原始網址: https://www.seeedstudio.com/420-450MHz-Ultra-low-power-data-radio-module-p-2209.html

描述

WT-800T 是一款高性能,低功耗,長距離無線數據微功率射頻收發模塊,內部自動擴頻計算和前導碼 CRC 糾錯處理,無需改變用戶的任何數據和協議,採用半雙工透明傳輸機制來實現無線通信功能。

Module 的 RF 芯片基於擴頻跳頻技術,其穩定性,抗干擾能力和接收靈敏度均超越現有的 GFSK 模塊。配置低功耗高速 ST 處理器,數據處理能力強,運算速度提高。

用戶可以根據實際需求,靈活配置模塊的工作頻率,波特率 / 奇偶校驗,擴頻因子,擴頻帶寬等參數配置我們的 PC 軟件或者單片機命令,操作簡單,使用方便。

特徵

Ø基於 LoRa TM 擴頻調製技術。

Ø半雙工通訊,串口數據透明傳輸。

Ø420〜450MHz,免費應用頻段,其他頻段可定制。

Ø產品無需調試,電壓範圍 3.4-5.5V,可定制 3.0-3.6V。

Ø微功率傳輸,標準 + 20dBm 輸出,七級可調。

Ø接收靈敏度高達-148dBm,最大發射功率 + 20dBm。

Ø高效率的前向糾錯編碼技術和跳頻機制,增強抗干擾能力,降低誤碼率。

Ø支持串行喚醒,準備發送和接收數據,無週期性喚醒時間。

Ø支持空中喚醒,AUX 信號可以通過模塊,喚醒用戶設備給出。

ØCAD 檢測 LoRaTM 信號,防止意外喚醒。

Ø可以通過命令切換模塊工作,支持串口喚醒,準備發送和接收數據,無需定期喚醒時間。

Ø通過軟件或微控制器命令靈活設置模塊參數。

Ø體積小,便於嵌入式安裝,TTL 電平信號

Ø內置看門狗,確保長期可靠穩定的運行。

Ø在野外有效通訊距離可達 3 至 5 公里。

規範

電氣規格

Mod:LoRaTM 擴展頻譜

頻率範圍:420〜450MHz(其他頻段可定制)

發射功率:20dBm

接收靈敏度:-148dBm

串口速率:1200bps〜57600bps(默認 9600bps)

接口驗證:8E1 / 8O1 / 8N1(可選)

工作電壓:3.5V〜5.5V(可定制 3.0V〜3.6V)(輸出 + 20dBm)

發射電流:100mA(發射功率 + 20dBm)

接收電流:≤16mA

低電流模式:≤41uA

睡眠模式:≤4.5uA

客戶喚醒時間:現在

空氣喚醒時間:≤2S

工作溫度:-40℃〜+ 80℃(工業級)

工作濕度:10%〜90%相對濕度,不結露

應用

智能家居,智能交通,傳感器網絡;

工業自動化,農業現代化,智能建築;

水,電,煤氣和熱量表自動抄表系統;

水利,石油,礦山,天氣等設備信息採集;

街道照明控制,網絡監控,風能和太陽能係統;

工業設備,無線數據傳輸和工業環境監測;

在所有情況下都需要額外的無線而不是有線通信。

查看更多
Description

WT-800T is a high performance, low power, long-range wireless data micro-power RF transceiver module, internal automatic spreading calculation and preamble CRC error correction processing, without changing the user’s any data and protocols, using a half-duplex transparent transport mechanism to achieve wireless communicate function.

The RF chip of Module is based on spread spectrum frequency hopping technology, the stability, anti-interference ability and receive sensitivity are beyond existing GFSK module. Configured of Low-power high-speed ST processor, data processing capacity, the operation speed are improved.

Users can configure our PC software, or by microcontroller commands, according to the actual demand, flexible configuration module working frequency, baud rate / parity, spreading factor, spread spectrum bandwidth and other parameters, simple operation, easy to use .

 

Features

 

Ø Based on LoRa TM spread spectrum modulation techniques.

 

Ø Half-duplex communications, serial data transparent transmission.

 

Ø 420~450MHz, Free application band, the other band can be customized.

 

Ø Produce without debugging, 3.4-5.5V voltage range, can be customized 3.0-3.6V.

 

Ø Micro-power transmission, standard + 20dBm output, seven adjustable levels.

 

Ø Receiving sensitivity up to -148dBm, the maximum transmit power + 20dBm.

 

Ø High-efficiency forward error correction coding techniques and frequency hopping mechanism, enhance the anti-interference ability and reduce the error rate.

 

Ø Supports serial wake, ready to send and receive data, no periodic wake-up time.

 

Ø Support air wake, AUX signal can be given via the module, Wake user device.

 

Ø CAD detection LoRaTM signal, to prevent accidental wake.

 

Ø Can work through the command switch module supports serial wake up, ready to send and receive data, no periodic wake-up time.

 

Ø Flexibility to set the module parameters via software or microcontroller commands.

 

Ø Small size, easy for embedded installation, TTL level signals

 

Ø Built-in watchdog to ensure long-term reliable and stable operation。

 

Ø Effective communication distance up to 3 to 5 km in the open field.

 

 

Specification

ELECTRICAL SPECIFICATIONS

Mod:   LoRaTM Spread spectrum

Frequency range:  420~450MHz (Other bands can be customized)

Transmit power:  20dBm

Reception sensitivity:  -148dBm

Serial rate:  1200bps~57600bps (default 9600bps)

Interface verification: 8E1/8O1/8N1( Optional)

Operating Voltage:  3.5V~5.5V( 3.0V~3.6V can be customized) (output +20dBm)

Emission current:  100mA (Transmit power +20dBm)

Receiving current:  ≤16mA

Low current mode:  ≤41uA

Sleep mode:  ≤4.5uA

Client wake-up time:  Right now

Air wake-up time:  ≤2S

Working temperature: -40℃~+80℃ (industrial level)

Working humidity: 10%~90% Relative humidity, without condensation

Application

Smart home, intelligent transportation, sensor networks;

Industrial automation, modernization of agriculture, intelligent building;

Water, electricity, gas and heating meter automatic meter reading system;

Water conservancy, oil, mines, weather and other device information collection;

Street lighting control, network monitoring, wind and solar systems;

Industrial equipment, wireless data transmission and industrial environmental monitoring;

In all cases require additional wireless instead of wired communications.

 

See More