HP EliteBook 820 G3 Notebook PC 
HP EliteBook 840 G3 Notebook PC 
HP EliteBook 850 G3 Notebook PC 
Features 
Not all configuration components are available in all regions/countries. 
c04688005 – DA 15295 – World Wide – Version 1 – December 9, 2015 
 
802.11ac : MCS0 ~ MCS9, (1SS, and 2SS) (20MHz, 40MHz, and 80MHz) 
Direct Sequence Spread Spectrum 
BPSK, QPSK, CCK, 16-QAM, 64-QAM, 256-QAM 
  IEEE and Wi-Fi compliant 64 / 128 bit WEP encryption for a/b/g 
mode only  
  AES-CCMP: 128 bit in hardware 
  802.1x authentication 
  WPA, WPA2: 802.1x. WPA-PSK, WPA2-PSK, TKIP, and AES. 
  WPA2 certification 
  IEEE 802.11i 
  Cisco Certified Extensions, all versions through CCX4 and CCX Lite 
  WAPI 
Network Architecture  
Models 
Ad-hoc (Peer to Peer) 
Infrastructure (Access Point Required) 
IEEE 802.11 compliant roaming between access points 
  802.11b : +16dBm minimum 
  802.11g : +14dBm minimum 
  802.11a : +14dBm minimum 
  802.11n HT20(2.4GHz) : +13dBm minimum 
  802.11n HT40(2.4GHz) : +13dBm minimum 
  802.11n HT20(5GHz) : +12dBm minimum 
  802.11n HT40(5GHz) : +12dBm minimum 
  802.11ac 80MHz(5GHz) : +11dBm minimum 
Transmit: 2.0 W (max) 
Receive: 1.6 W (max) 
Idle mode (PSP): 180 mW (WLAN Associated) 
Idle mode: 60 mW (WLAN unassociated) 
Radio disabled: 30 mW  
ACPI and PCI Express compliant power management  
802.11 compliant power saving mode 
802.11g:-90 dBm (6 Mbps), -89 dBm (9 Mbps), -87 dBm (12 Mbps), -85 dBm 
(18 Mbps), -82 dBm (24 Mbps), -79 dBm (36 Mbps), -76 dBm (48 Mbps), -74 
dBm (54 Mbps) 
 
802.11b:-95 dBm (1 Mbps), -93 dBm (2 Mbps), -91 dBm (5.5 Mbps), -88 dBm 
(11 Mbps) 
 
802.11g:-90 dBm (6 Mbps), -89 dBm (9 Mbps), -87 dBm (12 Mbps), -85 dBm 
(18 Mbps), -82 dBm (24 Mbps), -79 dBm (36 Mbps), -76 dBm (48 Mbps), -74