Productos
RFM12B-S2 Wireless Transceiver - 915MHz
Módulo transceptor de bajo costo para comunicaciones en la banda de 915 Mhz. Posee interfaz serie SPI y soporta hasta 115.2 kbps.
COD: SFWRL12031
Peso: 0.001 Kg
Disponibilidad: En Stock
ARS 15092.00
El producto no está disponible para la venta en este momento
Características
Description: The RFM12B is a great inexpensive option for wireless communication; it's an ISM band FSK transceiver module implemented with a unique PLL. These modules operate in the 915MHZ band and fully comply with FCC and ETSI regulations.
This module has a wide voltage supply range of 2.2-3.8VDC. An SPI interface is used to send data and configure the RFM12 module. The configuration commands, described in the RF12 IC Datasheet linked below, can be used to set the data rate, frequency band, wake-up timer, transfer data, receive data from the 16-bit FIFO, and much more.
The module comes in a 14-pin SMD package, with pins spaced by 2mm. Check below for a breakout board.
Features:
- Low-cost, high-performance
- SPI compatible interface
- High data rate (up to 115.2 kbps in digital mode)
- Wakeup timer
- 2.2V-3.8V power supply
- Analog and digital RSSI outputs
- Differential antenna input
- Automatic antenna tuning
- 16-bit RX data FIFO
- PLL and zero IF technology
- Fast PLL lock time
- High resolution PLL with 2.5KHz step
- Programmable TX frequency deviation (from 15 to 240 kHz)
- Programmable receiver bandwidth (from 67 to 400 kHz)
- Analog and digital signal strength indicator
- Internal data filtering and clock recovery
- Clock and reset signal output for external MCU use
- 10MHz crystal for PLL timing
Dimensions: 15.9 x 16.1 mm (0.626 x 0.634 in)
More information:
Galería de Imágenes
Datasheet (486 Kb)Comentarios
Escribir ComentarioOpenHacks (02/09/2015 - 16:14)
Hola Gabriel, éste es el módulo de mayor alcance que tenemos: https://www.openhacks.com/page/productos/id/83/title/I000118#.VedJQPmqqko . El alcance a campo abierto puede ser de 1Km, pudiendo agrandar esta distancia usando antenas de mayor potencia, y si usas una parabólica esta distancia puede ser de bastante mas que 2Km. Saludos!
Gabriel (02/09/2015 - 09:20)
Hola, quisiera saber si a esta placa, le puedo conectar una antena y un amplificador, para llegar a una distancia de 2 km maximo, si no es asi, que me recomiendan ? Gracias !
Juan Pablo (07/04/2014 - 00:28)
Hola Pablo. Si, podés usarlo con PIC o cualquier micro que soporte comunicación SPI. Chequeate este documento: http://ww1.microchip.com/downloads/en/DeviceDoc/spi.pdf Saludos!
Pablo (06/04/2014 - 07:38)
Hola. Se pueden usar con micropic?
