Table 5-3 Recommended external WLAN antenna specications
Item Specications
Frequency
range
2400–2500 MHz
Gain 2.5–4 dBi
Direction All directions
Voltage
standing
wave ratio
(VSWR)
≤ 2
Polarization Linear polarization
Eciency ≥ 30%
Maximum
input power
1 W
Impedance 50 Ω
Connector RP-SMA-J
Operating
temperature
–40°C to +85°C
Operating
humidity
5%–95% RH
5.2 Connecting the AC Power Cable or External CT
Cable
The EMMA supports internal CT connection (current ≤ 63 A) or external CT
connection (current > 63 A).
Context
Figure 5-3 AC input power cable ports
EMMA-(A01, A02)
User Manual 5 Electrical Connections
Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd. 29