One of my customer demand hwic 1 FE card for his 2811 router,which is out of sale.now kindly recommend me which other card will be compatible for 2811 router.
According to this link there are three Ethernet routed-port HWICs still available for 2800 series (HWIC-1GE-SFP, HWIC-2FE and HWIC-1FE) - none of them seem to be end-of-life: