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Description: This is the XBee XB24-Z7CIT-004 module from Digi. Series 2 improves on the power output and data protocol. Series 2 modules allow you to create complex mesh networks based on the XBee ZB ZigBee mesh firmware. These modules allow a very reliable and simple communication between microcontrollers, computers, systems, really anything with a serial port! Point to point and multi-point networks are supported.

These are essentially the same hardware as the older Series 2.5, but have updated firmware. They will work with Series 2.5 modules if you update the firmware through X-CTU.

Not sure which XBee module or accessory is right for you? Check out our XBee Buying Guide!

Note: If you are looking for a simple point-to-point configuration, you might want to try the Series 1 instead. The Series 2 requires considerable setup and configuration. We highly recommend Building Wireless Sensor Networks as a guide for setting up mesh networks.

Note: Series 1 and Series 2 XBee modules have the same pin-out. However, Series 1 modules cannot communicate with Series 2 modules.

Note: If you are using these outside of the United States, please check with your local laws regarding radio communication.

Features:

  • 3.3V @ 40mA
  • 250kbps Max data rate
  • 2mW output (+3dBm)
  • 400ft (120m) range
  • Built-in antenna
  • Fully FCC certified
  • 6 10-bit ADC input pins
  • 8 digital IO pins
  • 128-bit encryption
  • Local or over-air configuration
  • AT or API command set

Documents:

Replaces: WRL-10415

Comments 12 comments

  • The description says XB24-Z7CIT-004, but the photo says XB24-Z7PIT-004. The one I have in my hand (ordered via SparkFun) also says XB24-Z7PIT-004. What’s the difference? Was the CIT an older version?

  • I recently purchased three of these and I cannot get X-CTU to recognize them. I have tried it on two separate Windows XP machines, with the same result. When a device is plugged in to USB via an XBee Explorer, I get a red LED lit up on the Explorer board. When I start X-CTU, it shows up in the Select Com Port box as “USB Serial Port (COM4). However, when I hit the "Test / Query” button, I receive an “Info” window which states that it is unable to communicate with the modem. I have tried it with every available Baud rate and with “Enable API” on, to no avail. This is the same for all 3 XBee’s and the 2 XBee Explorer boards that I purchased from SparkFun.

    Please help. I’d really like to play with these devices. Thanks.

    • I had the same problem. I tried two versions of XCTU (5.x and 6.x) on two different computers. Also, same problem with two different XB24-Z7PIT-004 xbees. In the recent past I’ve used XCTU successfully on several other xbees. On about the 20th try it worked – I don’t know why.

    • By the way, I did install the FTDI drivers for Windows XP. These show up in Device Manager as the drivers for the COM port mentioned above.

  • Help me please! I’m trying to make wireless connection between 2 these Xbee in AT mode. Data of router recieved but not at time. They had delay sometime (3-10 second). In delay time both Xbee has RSSI led light up. what should I do?Both Xbee connect with arduino Uno via Lilypad Xbee explorer.

  • Thanks CowboyBob for answer.

    Nothing To do! even if I set JN=0 and i lower the IR paramater as you suggested, nothing changes! So I decided to try a pin Hibernate configuration (SM=1) but still I receive random packets at coordinator with no reason not only when DTR goes low on the End device . What I’m missing ? Does anyone tested the pin hibernate config on xbeeS2 before ? Why I get RF data not only when the end device wakes up from sleep? Is a problem with my settings ,firmware or hw . Please an help!

  • How much do these weigh?

  • Dear Sparkfun, Hi bought 2 of these devices some months ago. I’m facing some problems with these device since I cant have them working. I think it’s not my problem since i read all datasheet and all “Building Wireless Sensor Networks” book to make my project. This is my problem and my configuration :

    End device API version 29A7: SM=5 (cycle sleep with pin wake ) , SP=7D0(20 sec),SN=3,SO=4 (extended sleep for SPxSN sec ,ST=1f4(500msec),IR=3e8(1sec since i want to send just 1 packet).

    Coordinator API version 21A7: SP=7d0(20sec) SN =3 .

    From what I expected, i have to receive in my coordinator (after the end device joins to the PAN) just one packet for SPxSN sec (1 min) but the problem is that I receive 6 packets every about 40 sec without any reason.

    I also changed SN=6 to extend to 2min the cycle sleep but nothing to do. It still sends 6 packets rather than 1. This is strange behaviour and I dont understand what happens at all in the end device.

    I think that i’m not wrong in setting AT parameters to both devices since as I mentioned I studied everithings (datasheet, books) about them. Any help will be appreciated .

    • If you’re doing I/O sampling, lower the value of your IR setting. Also make sure that some of those extra packets aren’t join notifications by setting JN=0. I have noticed that whatever Xbee uses as a clock is fast. If I use math to figure out a 1 hour sleep cycle, it usually runs about 45 minutes in real life scenarios.

  • Anyone know what the diff is between this and the S2B? Digi’s site and specs they seemed very close but not exact (but not enough in my mind to justify a whole new model number LoL) I know this can do transparent and API… is programmability the only REAL diff w.r.t. S2B?

  • Hello Sparkfun What is the reference XB24-Z7PIT-004 or XB24-Z7CIT-004?

    • Looks like these ones are XB24-Z7PIT-004 - that’s what the latest shipment I have here is. The previous chip antenna ones were XB24-Z7CIT-004


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