apparatus includes a first meander also know as meander line antenna 200 a second meander antenna 210 a feeding point 220 and two lines 202 and 212 the first meander antenna 200 is connected to the feeding point 220 through the line 202 and the second meander antenna 210 is connected to the feeding point 220 through the line 212 thus the first meander antenna 200 and the second meander antenna 210 are dually fed through the feeding point 220 similarly to the embodiment of the present invention shown in fig5 the first meander antenna 200 and the second meander antenna 210 are designed in such a manner that they have approximately identical resonance characteristics but the resonance characteristics are somewhat offset from each other the meander antennas 200 and 210 have resonance frequencies determined according to their lengths hereinafter resonance characteristics of antenna apparatuses according to these embodiments and another embodiment will be described with reference to fig7 a and 7b fig7 a is a graph showing the individual resonance characteristics of two antennas in an antenna apparatus according to the present invention and fig7 b is a graph showing the synthesis of the resonance characteristics of two antennas in the antenna apparatus referring to fig7 a as described above the two antennas in the antenna apparatus are designed in such a manner that they have approximately identical resonance characteristics but the resonance characteristics are somewhat offset from each other that is a.