Sepura SC21 Series User Manual

Icon Description
E2E Encryption enabled
The Secure Communications icon indicates that the selected
talkgroup is customised for End-to-End Encryption. In other
words, calls you make by pressing the PTT button are End-to-End
Encrypted.
E2E Encryption disabled
Indicates that the call is not encrypted.
Key agreement
Indicates that a cryptographic key agreement is in progress
between the radio and the Key Management Centre (KMC) on the
network. (See End-to-End Encryption on page113.).
Trunked Mode Operation (TMO)
Outgoing TMOcall in progress
You are in a call that you initiated.
Incoming TMO call in progress
You are in a call that was initiated by another person or your
dispatcher on the TMO network.
Missed incoming TMO call
You have missed an incoming TMO call. The blue LEDflashes.
Scanning enabled
You radio is scanning (listening) to all available talkgroups within
your scan list for activity.
Broadcast Call
A high-priority group call (point-to-multi-point) initiated by your
Dispatcher to all network radio users. You cannot reply to the
caller.
Direct Mode Operation (DMO)
Incoming DMO call
You are in a DMO call that was initiated by another radio user.
Outgoing DMO call in progress
You are in a call to another radio user.
DMOGateway detected
Appears when the radio has detected a DMO gateway. The icon
disappears when the radio moves out of range of the gateway.
DMO Gateway off
DMO Repeater detected
Appears when a DMO repeater is detected and the radio can
communicate with any other radios in the selected DMO talkgroup
which are also in range of the repeater.
User Guide 11

Sepura SC21 Series Specifications

General

IP Rating	IP54
Operating Temperature	-20°C to +55°C
Channel Spacing	25 kHz
Ingress Protection	IP54
Channels	Up to 2000
Frequency Bands	380-430 MHz, 806-870 MHz
Battery Life	Up to 14 hours
RF Power Output	1W
TETRA Air Interface	ETSI EN 300 392-2