Zebra TC57 User Manual

Applications
119
PTT Express Voice Client
NOTE: PTT Express Voice Client enables Push-To-Talk (PTT) communication between disparate enterprise devices. Le-
veraging existing Wireless Local Area Network (WLAN) infrastructure, PTT Express delivers simple PTT communication
without requiring a voice communication server.
• Group Call: Press and hold the PTT (Talk) button to start communicating with other voice client users.
• Private Response: Double-press the PTT button to respond to the originator of the last broadcast or to
make a Private Response.
PTT Audible Indicators
The following tones provide helpful cues when using the voice client.
• Talk Tone: Double chirp. Plays when the Talk button is depressed. This is a prompt for you to start talking.
• Access Tone: Single beep. Plays when another user just finished a broadcast or response. You can now
initiate a Group Broadcast or Private Response.
• Busy Tone: Continuous tone. Plays when the Talk button is depressed and another user is already
communicating on the same talkgroup. Plays after the maximum allowed talk time is reached (60 seconds).
• Network Tone:
• Three increasing pitch beeps. Plays when PTT Express acquires the WLAN connection and the service
is enabled.
• Three decreasing pitch beeps. Plays when PTT Express loses the WLAN connection or the service is
disabled.
PTT Notification Icons
Notification icons indicate the current state of the PTT Express Voice client.
Table 11 PTT Express Icon Descriptions
Status Icon Description
The PTT Express Voice client is disabled.
The PTT Express Voice client is enabled but not connected to a WLAN.
The PTT Express Voice client is enabled, connected to a WLAN, and listening on the Talk
Group indicated by the number next to the icon.
The PTT Express Voice client is enabled, connected to a WLAN, and communicating on the
Talk Group indicated by the number next to the icon.
The PTT Express Voice client is enabled, connected to a WLAN, and in a private response.

Zebra TC57 Specifications

General

Screen shape	Flat
Display diagonal	5 \
Touchscreen type	Capacitive
Display resolution	1280 x 720 pixels
Fingerprint resistant	Yes
Processor cores	8
Processor model	660
Processor family	Qualcomm Snapdragon
Processor frequency	2.2 GHz
RAM capacity	4 GB
Compatible memory cards	MicroSDHC, MicroSDXC
Maximum memory card size	256 GB
Internal storage capacity	32 GB
Talk time (3G)	- h
Battery capacity	4150 mAh
Rear camera type	Single camera
Rear camera aperture number	2.2
Front camera aperture number	2
Rear camera resolution (numeric)	13 MP
Front camera resolution (numeric)	5 MP
4G standard	LTE-TDD & LTE-FDD
3G standards	HSPA, HSPA+, UMTS
SIM card type	NanoSIM + eSIM
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version	5.0
SIM card capability	Dual SIM
Mobile network generation	4G
Subscription type	-
USB version	2.0
Form factor	Bar
Product color	Black, Silver
Market positioning	Business
Protection features	Crash proof, Shock resistant, Static proof, Temperature proof, Vibration proof, Water resistant
International Protection (IP) code	IP65, IP68
Platform	Android
Operating system installed	Android 11
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	-20 - 50 °C
Operating relative humidity (H-H)	5 - 95 %

Weight and Dimensions

Depth	188 mm
Width	75.5 mm
Height	18.6 mm
Weight	249 g