User Manual
WE865-DUAL Product Description 
80312ST10046A Rev. 1 - 03/10/08  
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved    page 11 of 22 
2.3.1  Receiver characteristics 
Nominal supply voltage, T
amb
 = -20°C to 85°C, typical values at T
amb
 = 25°C unless otherwise stated 
Parameter  Conditions  min  typ  max  Unit 
Sensitivity in 802.11b mode (11Mbps)  PER < 8%  -  -87  -83  dBm 
Sensitivity in 802.11g mode (54Mbps)  PER < 10%  -  -72  -68  dBm 
Maximum input level in 802.11b mode (11Mbps)  PER < 8%  -4  -  -  dBm 
Maximum input level in 802.11g mode (54Mbps)  PER < 10%  -10  -  -  dBm 
Table 5 
2.3.2  Transmit characteristics 
Nominal supply voltage, T
amb
 = -20°C to 85°C, typical values at T
amb
 = 25°C unless otherwise stated 
Parameter  min  typ  max  Unit 
Maximum output power in 802.11b mode (11Mbps)  11  16  18  dBm 
Maximum output power in 802.11g mode (54Mbps)  9  14  16  dBm 
Modulation accuracy peak in 802.11b mode (11Mbps)  -  -  35  % 
Modulation accuracy RMS in 802.11g mode (54Mbps)  -  -  -25  dB 
Table 6 
2.4  Antenna 
2.4.1  Wi-Fi antenna 
The antenna that the customer chooses to use, should fulfil the following requirements: 
Antenna requirements 
Frequency range [MHz]  2400-2500 
Gain [dBi]  ≤ 2 
Impedance [Ohm]  50 
Maximum Input Power [mW]  >100 
VSWR recommended  ≤2 
Table 7 
For further information please refer to the WE865-DUAL Hardware User Guide. 










