4.2 Antenna Radiation Pattern Measurement

After creating the antenna and its matching circuit, check the quality of the antenna performance from the antenna test report.

Figure 4-2. Measured Antenna 3D Pattern
Table 4-1. Measured Antenna Gain and Efficiency
Frequency (MHz) Total Radiation Power (dBm) Efficiency (%) Gain (dBi)
2412 -4.60849 34.606 -0.5966
2417 -4.50071 35.4755 -0.42527
2422 -4.43394 36.0252 -0.56911
2427 -4.38346 36.4464 -0.55402
2432 -4.38017 36.4739 -0.46928
2437 -4.2799 37.3259 -0.41755
2442 -4.186 38.1417 -0.32167
2447 -4.03923 39.4527 -0.23542
2452 -3.90445 40.6963 -0.03414
2457 -3.74337 42.2341 -0.131415
2462 -3.58446 43.808 -0.188512
2467 -3.47342 44.9426 -0.228235
2472 -3.43999 45.2899 -0.262527
2484 -3.56319 44.0231 -0.125341