Compact MIMO Microstrip Antennas for USB Dongle Operating in 2.5–2.7 GHz Frequency Band

Table 1

𝑆₁₁ and 𝑆₂₁ bandwidths for different 𝐿.

𝐿 value, mm	𝑆11 and 𝑆22 bandwidth, MHz	𝑆12 and 𝑆21 bandwidth, MHz
1	226	130
2	221	146
3	216	173
4	209	207
5	196	425
6	184	435