Kerlink Wirnet iBTS Installation And Maintenance Manual page 138

o 9 channels (920.6MHz to 922.2MHz)
o SF7 to SF12
o Max frame length=4s
o 50 ms between frames
o 500mW EIRP
o 5ms min carrier sense

Upstream channels in dark orange:
o 6 channels (922.4MHz to 923.4MHz)
o SF7 to SF10
o Max frame length=400ms
o 10% duty cycle max
o 500mW EIRP
o 128us min carrier sense

Upstream channels in light orange:
o 23 channels (923.6MHz to 928.0MHz)
o SF7 to SF10
o Max frame length=400ms
o 10% duty cycle max
o 40mW EIRP
o 128us min carrier sense

Unused channels are in yellow
The channels allocation can be organized differently if needed.
-NCC Certification required-
In Taiwan, the Wirnet iBTS 923 can be used be used as a « digitally modulated techniques
systems" according to item 1, chapter 4.8.1 of the "Low Power 0002 (LP0002)"
specifications.
Item
Frequency range
Max EIRP
Max conducted power with 6dBi antenna
For Reducing RF Influence, Use Properly.
'減少電池波影響，請妥適使用。
注意 !
依據 低功率電波輻射性電機管理辦法
第十二條 經型式認證合格之低功率射頻電機，非經許可，
公司、商號或使用者均不得擅自變更頻率、加大功率或變更原設計
之特性及功能。
Classification
Internal Use
Confidential
Strict confidential
This document is the strict property of Kerlink and shall not be either copied nor sent without express
Kerlink – 1 rue Jacqueline Auriol – 35235 THORIGNÉ-FOUILLARD
Wirnet iBTS
2.3.8 Taiwan
Specification
920-925MHz
0.5W
125mW (21dBm)
written authorization of Kerlink
Kerlink m2m technologies reserved rights
Document title : Installation and
Maintenance Manual
Version : 2.0
Author : SNI
Date : 04/12/2018
Page 138 / 221