ZyXEL ANT3218 5GHz 18dBi Outdoor External Antenna has a built-in N-Jack connector and compatible with outdoor accessories to extend outdoor coverage for ZyXEL WLAN devices. It operates in 5GHz bands with 18dBi gain.
 
Features:
- Product Description : ZyXEL ANT3218 - antenna 
- Product Type : Antenna 
- Dimensions (WxDxH) : 8.3 in x 2.9 in x 8.3 in 
- Weight : 1.4 lbs 
- Application : Outdoor 
- Frequency Range : 4.9 - 5.875 GHz 
- 
Gain : 18 dBi  
Specifications:
| Frequency Range | 4900-5875MHz | 
| Gain | 18dBi | 
| VSWR | 2.0:1 Max | 
| Polarization | Linear, vertical | 
| HPBW / Horizontal | 18 | 
| HPBW / Vertical | 18 | 
| Power handling | 5W (cw) | 
| Front to back ratio | 25dB | 
| Impedance | 50Ohm | 
| Connector | N type female | 
| Survival wind speed | 216KM/Hr | 
| Operating Environment | Temperature: -40deg. C - 80deg. C Humidity: 95% at 55deg. C
 | 
| Radome Material | ABS, UV resist | 
| Dimensions (W x D x H) | 210 x 210 x 73 mm / 8.26 x 8.26 x 2.87 in | 
| Weight | 640 g / 22.57 oz | 
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