模块介绍:
DL-RTM300&300H 基于国产高性能无线收发芯片设计,是一款体积小巧的、低功耗、远距离的无线收发模块。主要设定为 433 / 868 / 915 /MHz ISM 等国网专用频段,灵敏度可以达到-120dbm,,最高传输速率达到 300Kbps,输出功率通+20dbm。模块集成了所有射频相关功能,用户不需要对射频电路设计深入了解,就可以使用本模块轻松开发出性能稳定、可靠性高的无线产品,缩短产品的开发周期。
模块特点:
● 模块尺寸小, 采用 SMD 邮票边半孔封装模式;
● 工作频率: 433Mhz, 868Mhz, 915 MHz;
● 空旷传输 1.8 千米;;
● 支持 FSK,GFSK, OOK 调制方式,可编程控制;
● 通信速率 1.2Kbps~300Kbps,可编程配置;
● 最大输出功率达 20dBm, -120dBm@1.2Kbps 高接收灵敏度;
● 低功耗,接收电流<7mA;
● 供电电压:1.9~3.6V DC
● 尺寸 16*16*1.8mm
应用领域:
● ISM 频段数据通信
● 智能楼宇、智能建筑
● 智能家居安全
● AMR
● 无线远程控制
● 建筑自动化
● 无线传感器网络
● 能量控制和管理
● RKE(远程无钥匙进入)
● 热能采集,表计测量
技术参数:
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 |
引脚定义:
DL-RTM300 PIN 脚定义
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 脚定义
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. |
尺寸图及应用连线图