Do you have a link to that device? I could find something from Dynastream, but that specific number returns pretty much nothing on a google search.
Now I think there are enough ANT capable devices lying around from family members I could use to test, and one of them actually bought such a module once, but I doubt that would be the same as you have. So personally I don't have ANT experience, but I wouldn't mind helping out. However that probably will be mainly if you post problems you run into. If they are cheap I wouldn't mind buying one, but the amount of money I will spend to help random people is limitted :P
btw nvm about that link, your product number is mistyped, it is ANTAP281M4IB (you got a 1 instead of an I at the end). Which is kinda outside my budget for buying just so I can possibly help someone :P.
However if I am correct your module is simply a nRF24AP2-8CH with some passive stuff around it. And that module we had apparently here is based on the nRF24AP2-1CH: So almost the same version, only a single channel device. I expect them to be close enough to each other to be able to develop code for them.
Edit: What I just googled seems to be a quite finished library already: http://mbed.org/users/MRSa/code/bc_ant/ and http://mbed.org/users/MRSa/code/bc_ant-receiver/file/ce23e131fdbd/main.cpp
I'm looking to integrate an ANT+ AP2 module, PN: AP281M41B, by Dynastream into my project. There is some examples using the TI MSP430 but my skills are not quite up to snuff to get this working for my mbed KL25Z.
Seems like an ANT+ library would be a useful contribution to the community.
Anyone have some experience with ANT+ and interested in helping out?
/media/uploads/racersmith/d00001266_ap2_rf_transceiver_module_datasheet_rev1.8.pdf