TM80 Telemetry Monitor Service Manual 3-87
3.11 Appendices
3.11.1 TM80 Wi-Fi Network Requirement Table
No. Item Requirements of the TM80 Description
Wireless coverage requirements
1 Received signal
strengths (RSSI)
≥-65 dBm
Signal coverage requirement for
APs connected to the TM80: RSSI
value displayed on the TM80
The
requirement
must be met.
2 Co-channel
interference
≤-20dB
Measured on the same channel of
the TM80
The
requirement
must be met.
3 Ping delay The mean delay of PC or cell phone
with normal wifi module is smaller
than 100ms and The packet lost
rate shall be less than 1%.
The
requirement
must be met.
The requirements of AP capability
1 Recommended
AP
Mindray’s recommendations:
Cisco: WLC 2504 (version 7-4-121-0
or later) + LAP: 2802 or 2602
or FAT AP:2602
Aruba:7500 series+ LAP:
APIN0205APIN0205
Netgear:WNDAP350
Nice to meet
2 AP capability 1, The anticipated number of
devices connecting to one AP must
be lower than the AP capability, and
capability should has a margin of
50%. For example, In the coverage
of one AP, the typical number of
devices connected to this AP is 16,
The
requirement
must be met.