Aironet LMC-352 Cards and Diversity

[craig.amos]

We are deploying Wireless carts with Cisco Aironet LMC-352 PCMCIA cards with a single (MMCX) pigtail connector running up to a "rubber duck" antenna mounted to the cart.

My question relates whether I should keep the default setting of diversity or wheter I should force the transmit and receive to a single port via the Aironet Client utiily. What are the potential problems if I leave the setting at diversity vs. forcing the TX & R.

[dave.reid]

1) The card will attempt to receive on a terminal with no antenna. This should not be a real problem, but it will waste the effort.

2) The card may attempt to transmit on a terminal with no antenna. This can be a problem and no transmitter in the world likes the idea.

3) It's not really that much effort to change the setting.

4) Since you're using a cart, I'm guessing that it move around. Hooking up both antennas might help with multipath issues that may exist. That's why there are two connectors.

[lbadman]

Any transmitter needs an antenna, or risks being damaged. You should turn off diversity if not using both antennas.