CTEK Z4200, User Manual, Page: 38 / 63

14 November 2014
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Wireless Status Screen (Z4400)
Figure 24 - Wireless Status Z4400
Carrier – Often referred to as the Mobile Operator
Network Status – Possible values are “In Service”, “No Service”, or “Service Denied”. Indicates the state of the network
as seen through your particular router
Service Type – Indicates the type of network data connection in use. Options are HSPA, UMTS, EGPRS, or GPRS.
WCDMA Band - Indicates the air interface that the radio is operating on
L1 State - Indicates the current state of the radio module
Current Temp – The temperature currently being sensed by the radio module. Values are in Centigrade.
Signal Level (RSSI) – A measure of the strength of the wireless signal that your router is currently seeing. A larger
negative number indicates a marginal network connection. Typically this number will be in the range of -75 - -95dBm
although there are many locations where the value will be outside of the typical range.