Amplitude Shift Keying Modulation Discrete RF Transmitter Module
Product Description
433M/315M Discrete ASK Transmitter Module
DL-TXR25 is a dual discrete RF Transmitter Module with low cost, small size, super power output, and low harmonic. It has high output power (12dBm@3V; 15dBm@3.6V) and transmission rate (Max. 50Kbps), with good harmonic suppression; the second and third harmonics of this RF module are quite low, which can be widely used in keyless entry system, wireless home security, wireless remote-control system and wireless smoke detecting related products.
Features
Frequency: 315, 390, 433.92, 868Mhz
Wide voltage range: 1.5-12V available (3.3V is recommended)
Original high frequency tube, all SMT component design
The second and third harmonics of the module are quite low
DATA high level mode signal output;
The interface adopts single-end serial port to communicate directly with MCU
SAW adopts T2 package, the module is compact in size
The resonant network design is stable and not affected by the antenna
Can be directly SMT on the remote-control products.
TX Power: 12dBm@3V; 15dBm@3.6V
TX Current: 21mA
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Technical Parameter
RF characteristics (Unless otherwise stated, the frequency is 315MHz, the temperature is 25 ºC, and VCC is 3.3V)
| No | Characteristics | Technical Parameter Min. Typi. Max. | Unit |
| 1 | Frequency range | 315/390/433/868 | MHz |
| 2 | VDD | 1.5,3.3,12 | V |
| 3 | Transmission power | 12dBm@3V, 15dBm@3.6V | dBm |
| 4 | Transmission rate | 0,2.5,50 | Kbps |
| 5 | Harmonic suppression | -35 | dBm |
| 6 | Transmission current | 21 | mA |
Pins Definition:
The DL-TXR25 module has 4 pins, which are defined in the following table:
| Pin | Name | Description | Remark |
| 1 | ANT | Antenna output | |
| 2 | DATA | Data output, communicate with decoding unit | |
| 3 | VDD | Power supply, DC 3.3V is recommended | 2.5V-3.6V |
| 4 | GND | Grounding, common ground with the MCU |
Connection between module and terminal equipment (TTL electrical level)
Product Size:
Typical application
Wireless Data Communication, Wireless Data Monitoring and Transmission, Wireless Voice/Audio Transmission, Wireless Sensoring; Wireless Remote Control System; Wireless Game Controller, Remote Control Toys; Wireless remote control for electronic consumer products; Wireless Alarm & Security Control System; Wireless Sensor Networking, Automatic Data Collection; Industrial Remote Control, Intelligent Control System, Home Automation, Home Appliance Control, Building and Residential (smart home) Control, Smart City, RFID (radio frequency identification); Telemetry, Automatic (Water, Electricity, Gas) Meter Reading system; Remote control that supports radio frequency (RF) technology
Product Tags
ASK module, RF modules, RF Transmitter, Wireless Transmit module, ASK Transmit Module, RF Transmitter Module, RF Transmitter Module