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The RFBee is a RF module providing easy and flexible wireless data transmission between devices. It is based on a AVR Atmega168 working as a fully functional Arduino connected via SPI to a TI CC1101 RF transceiver.
Features
Range: indoor/Urban: up to 50m; Outdoor line-of-sight: up to 120m;
Receiver sensitivity: -95dBm
RF data transmission rate: 4,800bps; 76,800bps
Working frequency : 868MHz & 915MHz
Communication type: Point to Point, or Point to Multipoint.
Easy-to-Use serial interface and rich extendable ports
Easy-to-Use AT command: Set working mode, Serial Baud Rate, etc.
Open source hardware and firmware
Socket compatible with the Xbee, so you can plug it into any Xbee socket as a quick replacement.
Note:
only the Rx,Tx, VCC, GND pins are identical to the Xbee. RFbee will not communicate with Xbee, so RFbee need to be used on both ends of the wireless connection.
Documents
Please visit ourwiki pagefor more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.
I have successfully flashed one of my two (2) RFBEES, the first one has worked multipul times(using the reset method), but with the other, i have received multipul AVRDUDE errors (avrdude: stk500_paged_write(): (a) protocol error, expect=0x14, resp=0xfc; avrdude: stk500_recv(): programmer is not responding) i have tried many timing attempts with the reset method to flash the ATmega168, is it the bootloader or a defective RFBEE?
Hi.You can download the library(not the new one) on our wiki,may it can solve your problem.
During the last months playing around with the RFBee I many times wished that there where two pin headers connected with GDO0 and GDO2 pins of the CC1101. Especially in modes that don't use the internal package handling of the CC1101 (synchronous/asynchronous mode) I needed to attach a logic analyzer to this pins. As they don't exist, I had to write Arduino code that polled these pins, and put it out on the atmel168's i/o pins, where i can attach a logic analyzer. So please, in the next revision of the board, add these 2 pin headers for GDO0 and GDO2.
Okay, thanks for your feedback , we will consider it in the next revision of this module.
These RFBees work pretty good. I have them as wireless sensors around my house, no reception problems. The firmware seems to get corrupted easy,needing to be reloaded several time during development. Use Arduino ide for firmware update. Good price with shipping only 3.00. 15 days to USA.
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Evgeny Sabelskiy | 2011-04-10
please release 433mHz version of the bee :)
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Jader Dias | 2010-12-03
Transmitting continuously at 9600 bps I encountered a problem. After just 828 bytes the transmission is interrupted and the last bytes are "error: RX buffer overflow".
That's a dealbreaker limitation. Can't you fix this?
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Jader Dias | 2010-12-03
I just dropped the XBee and the RFBee from a small height (less than 1 inch) and since the XBee bounces multiple time when it hits the table I can tell you that it is much heavier than the RFBee that bounces only once
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Jader Dias | 2010-12-03
I have both an XBee and a RFBee and it's very difficult to tell the weight difference, but they look like they weight about the same
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Miguel Angel Camus Burgueño | 2010-11-12
An Xbee module 1mW with antenna chip weigh 3.3gr. I wonder how this one can weigh 18gr... Could someone say the right weigh, please?
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