Total posts : 45366
I saw the same video on youtube. I searched for “hole house FM Transmitter”+”range” or “sainsonic AX-05B”+”whole house FM Transmitter” or “Whole House FM Transmitter”+”C.Crane FM Transmitter” anyway I wanted to get a comparison of the two and I stumbled upon this. Plus there was another video where someone went in a car and drove 7 houses down his subdivision and yet another that went 1/4 mile away and still got good reception. Now I read a report on both the Sainsonic AX-05B (Set at High Power 500mW) and the report was the Same Range!!! So there is that 1,000 uV/M fudge factor everyone is talking about in forums since the AX-05B is certified and cost less than the Whole House FM Transmitter 3.0. This means that the WHT has to be transmitting at least 100mW to 500 mW at low power into the rubber duck Before switching to High Power. If you had the same connector made to connect the WHT 3.0 to a outside antenna at that rate it would go 1 mile to 1.5 mile at low power. But just on the duck both transmitters will go 1/4 mile. This is before the secret HIGH power mode on the WHT 3.0 which is probably 1Watt (Same as the ST-1A which also is chinese). This tells me that the WHT 3.0 is a FM User CZE-T200 in desguise which has 4 power levels 1mW (Same as C.Crane FM2),10mW 150 Feet),100mW (Sainsonic AX-05B Fail-Safe CZH-05B low power),200 mW(Same reported range before hack on WHT 3.0). So it looks like they simply skipped the two powers in between and when you hold down cycle+mute you jump to 200mW or 500mW. Also you’ll notice that only the HIGH DOLLAR cirtified FM transmitters costing $100+ get to go 1/4 mile on a car Radio as some reported with the Whole House FM Transmitter 3.0 before the high power switch. Amazon talks alot about the secret power mode and the range difference. So its safe to say that its really a FMuser transmitter at a much higher price for the same power. Mystery solved. Only thing they did was to add 75uS pre emphasis to the EQ which was a mod to the audio section of the transmitter. If they had put it into an aluminum chassie like the SainSonic they would have my money. Its why I’m actually considering the CZE-T200 because at 100mW you’d get the same result. If you feel unsafe then keep it at the 1mW or 10mW setting as the report says 10mW goes 150FT in Stereo Hmmm imagine that one. You’d still have a better transmitter than the C.Crane at that level. C.Crane at the hecked power probably is 100mW as its reported to go about 400 FT still less that 1/4 mile without hacks on the Whole House FM Transmitter 3.0. I don’t need a watt meter to figure that one out. I’m sure the 1 mile plus on high power as reported is the same power level as the 1 Watt chinese transmitter costing $200 and I know that is way more than 1,000 uV/M. So there the fudge factor was into play. Plus the Whole House was not sold as a Car FM Transmitter neither is the SainSonic AX-05B but the uncertified FM User one at 200mW was sold as a portable FM Transmitter. So if your transmitter can’t be used in a car the FCC gives the fudge factor everyone talks about according to my shuthing. Ironic isn’t it?