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Manual Version:5PW100-20120627 

H3C ANT-2503C-M2 ceiling-mount antenna 
installation guide 

Technical specifications 

The ANT-2503C-M2 antenna is designed for use in indoor environments. It is connected to the 2.4-GHz 

or 5-GHz antenna port on an H3C indoor AP through an N-type connector. 

Figure 1

 

Antenna view 

 

 

Table 1

 

Technical specifications 

Antenna type 

ANT-2503C-M2 

Operating frequency range 

2400 MHz to 2500 MHz 

5150 MHz to 5850 MHz 

Bandwidth 

100 MHz 

700 MHz 

Peak gain 

3 dBi 

5 dBi 

Horizontal beamwidth 

360°C 

Vertical beamwidth 

50°C 

Voltage standing wave ratio (VSWR) 

 2.0 

Impedance 50 

 

Polarization type 

Vertical 

Max. power 

20 W 

Connector N-Female 

Dimensions 

145 mm (5.71 in) diameter and 35 mm (1.38 in) length 

Weight 

0.3 kg (0.66 lb) 

Operating temperature 

–40°C to +60°C (–40°F to +140°F) 

Installation Ceiling 

mounting 

 

Summary of Contents for ANT-2503C-M2

Page 1: ...ntenna installation guide 1 Technical specifications 1 Safety precautions 4 Installation guidelines 4 Choosing a mounting location 4 Mounting the antenna 4 Tools and accessories required 4 Mounting the antenna on a ceiling 5 Recommended cable 6 ...

Page 2: ...view Table 1 Technical specifications Antenna type ANT 2503C M2 Operating frequency range 2400 MHz to 2500 MHz 5150 MHz to 5850 MHz Bandwidth 100 MHz 700 MHz Peak gain 3 dBi 5 dBi Horizontal beamwidth 360 C Vertical beamwidth 50 C Voltage standing wave ratio VSWR 2 0 Impedance 50 Ω Polarization type Vertical Max power 20 W Connector N Female Dimensions 145 mm 5 71 in diameter and 35 mm 1 38 in len...

Page 3: ...Manual Version 5PW100 20120627 2 Figure 2 through Figure 5 show the horizontal and vertical radiation patterns Figure 2 2 4 GHz horizontal pattern Figure 3 2 4 GHz vertical pattern ...

Page 4: ...Manual Version 5PW100 20120627 3 Figure 4 5 GHz horizontal pattern Figure 5 5 GHz vertical pattern ...

Page 5: ...s immediately call for qualified emergency help Installation guidelines The ANT 2503C M2 is designed to be mounted indoors on a ceiling to maximize its MIMO omnidirectional propagation characteristics Install multiple antennas where necessary because doors windows and walls degrade signal quality Keep the antenna away from metal obstructions and wire mesh Choosing a mounting location The ANT 2503C...

Page 6: ...sher callout 3 in Figure 7 from the antenna and place it above the ceiling 3 Thread the antenna cable through the hole you drilled in Step 1 until the base of the antenna is flush with the ceiling 4 From above the ceiling thread the antenna cable through the opening on the split flat washer See Figure 6 5 Thread the split flat washer through the antenna s thread and fasten it until the antenna is ...

Page 7: ...read 5 Mounting hole 6 Ceiling Recommended cable H3C recommends that you use a high quality low loss cable with the antenna Coaxial cable loses efficiency as the frequency increases causing signal loss Keep the cable as short as possible because cable length also causes signal loss the longer the run the greater the loss 1 2 3 4 5 6 18mm ...

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