• 无线模块
  • 无线模块
  • 无线模块
  • 无线模块
  • 无线模块
  • 无线模块
  • 无线模块
  • 无线模块

Wireless Module

K81

loperating frequencies : 2.4~2.4835ghz and 5.15~5.85ghz

lhost interface is usb 2.0 for wlan

lieee standards : ieee 802.11a/b/g/n/ac

lwireless data rate can reach up to 433.3mbps

lconnect to external antenna through the half hole

lpower supply:3.3v±0.2v

Specification table

 

item description
product name k81
main chip rtl8811cu
host interface usb 2.0
ieee standards ieee 802.11a/b/g/n/ac
operating frequencies 2.4ghz~2.4835ghz /5.15ghz~5.85ghz
      modulation

 wifi: 802.11b: cck, dqpsk, dbpsk

802.11a/g: 64-qam,16-qam, qpsk, bpsk

802.11n: 64-qam,16-qam, qpsk, bpsk

802.11ac: 256-qam,64-qam,16-qam, qpsk, bpsk

working mode infrastructure, ad-hoc
    wireless data rate

wifi: 802.11b: 1, 2 ,5.5,11mbps

802.11a/g: 6,9,12,18,24,36,48,54mbps

802.11n: ht20 reach up to144.4mbps, ht40 reach up to300mbps

802.11ac: vht20 reach up to 173.3mbps,vht40 reach up to 239mbps, vht80 reach up to 433.3mbps

rx sensitivity -96dbm (min)
tx power 18.5dbm (max)
antenna type connect to external antenna through the half hole
dimension(l*w*h) 13.0*12.2*1.5mm (l*w*h) ,tolerance: ±0.15mm
power supply 3.3v±0.2v
power consumption standby 192ma@3.3v (max) tx mode 908 ma@3.3v (max)
clock source 40mhz
working temperature -20°c to +70°c
storage temperature -40°c to +85°c