arduino + visual basic 2008

ok, i already figure something. at our arduino board have TX abd RX 'pin' right ??

  1. i try to modified my coding and do xbee-xbee connection wirelessly (success).
  2. i try to do vb-xbee by wired (success). the TX and RX light is blinking to when i click button on vb.

but, when i do vb-xbee(1st)-xbee(2nd) wirelessly..

  1. the 1st xbee did not transmit any data to 2nd xbee
  2. only RX light at 1st xbee is blinking.

what can i do to make it communicate wirelessly ?? can somebody help me?? please =___=".. i appreciate it.