Zyxel USG20-VPN/USG20W-VPN

Hardware Specifications
10/100/1000 Mbps RJ-45 ports
1 x WAN, 1 x SFP, 4 x LAN/DMZ
USB ports 1
Console port Yes (RJ-45)
SPI firewall throughput (Mbps)*2 350
VPN throughput (Mbps)*3 90
Max. TCP concurrent session*4 20,000
Max. concurrent IPSec VPN tunnels 10
Max. concurrent SSL VPN users 15
Included SSL VPN user no. 5
Customizable zones Yes
IPv6 support Yes
Standard compliance IEEE 802.11ac/n compliance
Standard compliance IEEE 802.11ac/n compliance
Radio 1
SSID number 8
Maximum transmit power
US (FCC) 2.4 GHz: 25 dBm, 3 antennas
US (FCC) 5 GHz: 25 dBm, 3 antennas
EU (ETSI) 2.4 GHz: 20 dBm (EIRP), 3 antennas
EU (ETSI) 5 GHz: 20 dBm (EIRP), 3 antennas
No. of antenna 3 detachable antennas
Antenna gain 2 dBi @2.4 GHz, 3 dBi @5 GHzs
Data rate
802.11n Up to 450 Mbps
820.11ac Up to 1300 Mbps
Receive sensitivity 2.4 GHz
11 Mbps ≤ -87 dBm
54 Mbps ≤ -74 dBm
HT20, MCS15 ≤ -71 dBm
HT40, MCS15 ≤ -67 dBm

5 GHz
54 Mbps ≤ -74 dBm
HT20, MCS23 ≤ -71 dBm
HT40, MCS23 ≤ -68 dBm
VHT20, MCS8 ≤ -66 dBm
VHT40, MCS9 ≤ -62 dBm
VHT80, MCS9 ≤ -59 dBm
Firewall Yes
Virtual private network (VPN) Yes (IPSec, SSL, L2TP over IPSec)
Anti-spam Subscription based
Content filtering (CF) Subscription based
Bandwidth management Yes
Logging and monitoring Yes
Unified security policy Yes
System management Yes
Power input 12 V DC, 2.0 A max.
Max. power consumption (watt) 18.0
Heat dissipation (BTU/hr) 61.38
Item Dimensions (WxDxH)(mm/in. ): 216 x 143 x 33/ 8.50 x 5.63 x 1.30
Weight (kg/lb. ):1.14/2.51 (Antenna included)
Packing Dimensions (WxDxH)(mm/in. ): 276 x 185 x 98/10.87 x 7.28 x 3.86
Weight (kg/lb. ): 1.50/3.31 Included accessories
Power adapter RJ45 -RS232 cable for console connection
Antenna Operating
Temperature : 0°C to 40°C/32°F to 104°F
Humidity : 10% to 90% (non-condensing)
Storage Temperature : -30°C to 70°C/-22°F to 158°F
Humidity : 10% to 90% (non-condensing)
MTBF (hr) 44,000. 00
EMC FCC Part 15 (Class B), IC, CE EMC (Class B), RCM, BSMI
Safety BSMI, UL

Note:
*1: Actual performance may vary depending on network conditions and activated applications.
*2: Maximum throughput based on RFC 2544 (1,518-byte UDP packets).
*3: VPN throughput measured based on RFC 2544 (1,424-byte UDP packets).
*4: Maximum sessions measured using the industry standard IXIA IxLoad testing tool.