Bird 43P elements I have and can test with... * ITEM FREQ RANGE WATTAGE (x1/x2/x5) * 100H 2-30 Mhz 100w/200w/500w * 500H 2-30 Mhz 500w/1000w/2500w * 1000H 2-30 Mhz 1000w/2000w/5000w * 10A 25-60 Mhz 10w/20w/50w * 25A 25-60 Mhz 25w/50w/125w * 250A 25-60 Mhz 250w/500w/1250w * 50B 50-125 Mhz 50w/100w/250w * 10C 100-250 Mhz 10w/20w/50w * 25C 100-250 Mhz 25w/50w/125w * 100C 100-250 Mhz 100w/200w/500w * 500C 100-250 Mhz 500w/1000w/2500w * 25D 200-500 Mhz 25w/50w/125w * 100D 200-500 Mhz 100w/200w/500w * 10E 400-1000 Mhz 10w/20w/50w Dummy loads I have and can test with... * WATTAGE MAX FREQ MAX MODEL * Up to 100w Up to 3000 Mhz XRDS-RF * Up to 300W Up to 650 Mhz MFJ-260C * Up to 1500w Up to 650 Mhz MFJ-264 ...updated as of 12/10/2022