HP 425 - Appendix C: Built-in Antenna; Antenna Specifications

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Appendix C Built-in antenna
The HP 425 AP has a built-in dual-band MIMO antenna. Built-in cables connect the MIMO antenna to
the 2.4 GHz and 5 GHz antenna ports of the AP.
Table 4 Specifications
Item S
p
ecification
Standard IEEE 802.11n and 802.11 a/b/g
Frequency range
• 2.4 to 2.49 GHz
• 4.9 to 5.9 GHz
Peak gain
• 4 dBi @ 2.4 GHz
• 5 dBi @ 5.2 GHz
VSWR 2:1
Feed impedance 50 Ω
Power handling 30 dBm
Dimensions 90 x 90 x 14.7 mm (3.54 x 3.54 x 0.58 ft)
Weight 19 g (0.67 oz)
Temperature range
• Operating: –40° C to +75° C (–40° F to +167° F)
• Storage: –40° C to +85° C (–40° F to +185° F)
Humidity range 0% to 95%, non-condensing
The following figures show the radiation patterns of the antenna.
Figure 18 2.4 GHz radiation pattern in the horizontal plane