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sir 

thank you for ur suggestion .

my budget limitation is around 15k to 20k.

i am planing to establish three sensor nodes and one gateway.

please suggest me the  hardware requirements.

whether TI provides any deveolpment kits or else should i bulit it on my own by purchasing the cc2530,cc2591 if so what type of antennas should i required,connectors and circutary to construct this all.

 which software are required.

 thank you  sir

Hi Satisk,

For your project you can purchase the following kits:

1. Two cc2530-cc2591 Evaluation Module kits, which will provide you with 4 cc2530+cc2591EM 
   (evaluation modules). Price per kit is ~100$
2. One "cc2530ZDK (ZiGbee Development kit)" includes (price ~650$):
   a) Two smartRF05EB boards (essential for downloading code to evaluation modules
   and debugging, etc..)
   b) 7 cc2530EM (Evaluation modules, attached to smartRF05EB or smartRF05BB, can act like
   any logic ZigBee device) 
   c) 5 Battery boards (Can be placed with batteries for far distances with any of above mentioned
   Evaluation Modules)
   d) One USB dongle (essential for debugging wireless networks and can act as an USB gateway).

Regarding the software:

1. For writing the microcode and debugging you will have to work with IAR EW for 8051. You can get
   an evaluation version (30 days free of charge), the license is pretty expensive.
2. Z-stack, ZigBee stack from TI (free of charge). Distributed with a lot of examples and valuable tools.
   Using it will save you a lot of time. Even if you are not familiar with the device nor with Z-stack, a
   significant progress and results can be achieved during first month of evaluation. 
3. SmartRF flash programmer, useful tool provided by TI (also free). This tool covers a lot of devices,
   so you better have this one at your disposal once you've decided to work with TI devices (not all of
   them of course) :).
4. SmartRF Packet sniffer, free of charge SW for sniffing wireless traffic (works along with hardware
   like USB dongle).

Building (designing) your own PCBs, Antennas and connectors:

1. You can use the Evaluation modules as is, those are relatively small and comes with dedicated
   antennas. So basically no new design is required.
2. Connecting sensors to the Evaluation Modules (in other words to the cc2530 SoC), the battery
   boards in the cc2530ZDK should be enough for connecting any sensors to it, so do a little
   adjustments and you are set (again, it is your consideration, as only you know what kind of sensors
   you want to attach and what type of communication needed for these sensors).

Misc:

1. Still, the distance can be an issue here, so you have to know for sure that these device and what
   are they capable of (meaning distances) suits your requirements!
2. Every kit, device and software comes with (a lot of) documentation, so before you jump to any
   conclusion, I kindly suggest you to read the relevant documentation\design notes (It is true that
   sometimes it is hard to know what is relevant and what is not, so here's your chance to post
   questions and be answered). As my team leader says, if it doesn't works for the fifth time now,
   read the manual, it probably will solve the problem. 

As a matter of fact I'm not familiar much with other devices (like cc1111, etc..) may be those are better for

your project, so please hear at least one more advice of an (TI) expert who can pinpoint you to the

differences, pros and cons. In that way you will have the complete information to make the "right" choice.

If you have any additional questions, feel free to ask.

Br,

Igor