模塊介紹:
DL-RTM300&300H 基于國產高性能無線收發(fā)芯片設計,是一款體積小巧的、低功耗、遠距離的無線收發(fā)模塊。主要設定為 433 / 868 / 915 /MHz ISM 等國網專用頻段,靈敏度可以達到-120dbm,,傳輸速率達到 300Kbps,輸出功率通+20dbm。模塊集成了所有射頻相關功能,用戶不需要對射頻電路設計深入了解,就可以使用本模塊輕松開發(fā)出性能穩(wěn)定、可靠性高的無線產品,縮短產品的開發(fā)周期。
模塊特點:
● 模塊尺寸小, 采用 SMD 郵票邊半孔封裝模式;
● 工作頻率: 433Mhz, 868Mhz, 915 MHz;
● 空曠傳輸 1.8 千米;;
● 支持 FSK,GFSK, OOK 調制方式,可編程控制;
● 通信速率 1.2Kbps~300Kbps,可編程配置;
● MAX輸出功率達 20dBm, -120dBm@1.2Kbps 高接收靈敏度;
● 低功耗,接收電流<7mA;
● 供電電壓:1.9~3.6V DC
● 尺寸 16*16*1.8mm
應用領域:
● ISM 頻段數據通信
● 智能樓宇、智能建筑
● 智能家居安全
● AMR
● 無線遠程控制
● 建筑自動化
● 無線傳感器網絡
● 能量控制和管理
● RKE(遠程無鑰匙進入)
● 熱能采集,表計測量
技術參數:
Maximum
parameter | minimum | maximum | Unit |
Positive Power Supply | -0.3 | +3.6 | V |
Voltage On Digital Control Inputs | -0.3 | VDD+0.3 | V |
Voltage On Analog Inputs | -0.3 | VDD+0.3 | V |
RX Input Power | - | +10 | dBm |
Storage Temperature | 55 | +125 | ℃ |
Soldering Temperature(10s) | - | +255 | ℃ |
ESD Rating(Human Boy Model) | -2 | 2 | KV |
Recommended working range
parameter | minimum | maximum | Unit |
Positive Power Supply | +1.8 | +3.6 | V |
Working Temperature | -20 | +70 | ℃ |
Supply Voltage Slew Rate | 1 | - | mV/us |
引腳定義:

DL-RTM300 PIN 腳定義
Number | Definition | Type | Function |
1 | ANT | AI/AO | RF signal input/output. |
2 | 3.3V(VDD) | Pl | Power supply input,1.8-3.6V. |
3 | GND | G | Ground. |
4 | NC |
| No Connect. |
5 | CSB | l | SPI Chip select input, active low. |
6 | SCK | l | SPI Clock input. |
7 | FCSB | l | SPI FIFO select input, active low. |
8 | SDlO | l/O | SPI Data input and output. |
9 | GPlO1 | l/O | General Purpose Digital I/O that may be configured through the registers to perform variousfunctions |
10 | GPlO3 |
11
| GPlO2 |
12 | NC |
| No Connect. |
13 | NC |
| No Connect. |
14 | GND | G | Ground. |

DL-RTM300H PIN 腳定義
Number | Definition | Type | Function |
1 | ANT | Al/AO | RF signal input/output. |
2 | GND | G | Ground. |
3 | TX-ANT | l/O | Tx Antenna select input pin, When 300H is TX state,TX_ANT should be = 0, RX_ANT should be = 1 |
4 | RX-ANT | l/O | Rx Antenna select input pin, When 300H is RX state,RX_ANT should be = 0, TX_ANT should be = 1 |
5 | 3.3V(VDD) | Pl | Power supply input,1.8-3.6V. |
6 | GPlO1 | l/O | General Purpose Digital I/O that may be configured through the registers to perform variousfunctions |
7 | GPlO2 |
8 | GPlO3 |
9 | GND | G | Ground. |
10 | SDIO | l/O | SPI Data input and output. |
11
| CSB | l | SPI Chip select input, active low. |
12 | SCK | l | SPI Clock input. |
13
| FCSB | l | SPI FIFO select input, active low. |
14 | NC |
| No Connect. |
15 | NC |
| No Connect. |
16 | GND | G | Ground. |
尺寸圖及應用連線圖