Etross ETS-6688 User manual

4G WIFI Fixed Wireless
Phone
ETS-6688
User Manual
Version 1.0 2018-12-20

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1. Overview

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2. Appearance
Congratulations on your purchase of the 4G Fixed Wireless Phone ETS-6688 (Hereinafter referred
to as Phone). The Phone has been designed to operate with the latest wireless communication
technology which has many advanced features and provides an excellent voice quality.
The Phone has advanced features as follows:
2G Band:B2,B3,B5,B8 3G Band:B1,B2,B5B,B8
4G Band FDD:B1,B2,B3,B4,B5,B7,B8,B20,B28a,B28b;4G Band TDD:B38,B39,B40,B41
Frequency bands can be adjusted as required
WIFI Standard:IEEE 802.11b/g/n
VoLTE Voice
FM Radio,SMS,MP3
Android 4.4
Dot-matrix LCD with back light
LCD display contents include signal strength, battery charging status,missed phone call,
new SMS, WIFI Hotspot, signal strength,power status,time, date, operator information
Phone book
Caller ID
Memory store 20 incoming, 20 outgoing and 20 missed calls
Different ringing tone for incoming call and SMS
Speed dial,hands free, redial, call divert, call waiting, call barred.
Keypad tone volume adjustable
Calendar, alarm clock, calculator
Rechargeable backup battery, Standby:120hrs talking time<5hrs
TNC antenna or integrated antenna optional
Dual SIM or single SIM optional

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3 Key board Introduction
1) 【Menu】:In idle state, press this button to select item or go to sub-menu.
2) 【WIFI】:In idle state, press this button to go to WIFI sub-menu
3) 【BOOK/BACK】:In idle state, press this button to go to phone book, press ”BACK” to
return to upper Menu
4) 【】:In the idle state, set the menu
【】:In the idle state, go to the calculation menu
【▲】:In the idle state,go to the calendar Settings
【▼】:In idle state,go to Shortcut key setting
5) 【OK】:confirm your setting
6) 【ON/OFF】:press this button about 3 seconds for power on phone. Press 3 seconds
again, the phone will be power off.
7) 【Talk】:Outgoing with the dialed phone number immediately. In idle state, pressing this
button will be into “Outgoing Call log”.
8) 【Redial】:Redial the last phone call number.
9) 【H.F.】:Press this button instead of taking up handset.
10) The Number key 1,2,3,4,5,6,7,8,9,0 and *, #
4. Installation
4.1 SIM card installation
Open the battery cover and take away battery, then the SIM slot can be seen. Please insert SIM
card into the SIM slot.
4.2 How to use the phone
4.2.1 Turn On phone
After installing SIM card and battery,press power ON/OFF button 3 seconds, the phone will

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be power on, The LCD screen shows operator name, time, signal and capacity of battery. Then
you can make/receive calls.
4.2.2 Turn Off phone
Press button 3 seconds to power off the FWP from the working state.
4.2.3 Make a call
Dial numbers: dial numbers and the numbers will be shown in the screen. If the numbers
show that user dialed is wrong, please press “BACK” to clear the number.
After finishing inputting number, please press key “TALK” to call out at once. If not press
key “Talk”, it will delay several seconds, then call out automatically.
During call, user can adjust volume by pressing left button or right button.
4.2.4Answer a call
When there is an incoming call, FWP will ring and the screen will show caller ID, you can
pick up the handset or press ”H.F” button to answer the call.
During call, user can adjust volume by pressing left button or right button.
5.Menu function
All menu can be operated in idle state. Press “Menu” be into sub-menu and press “BACK” to
return to upper menu.
5.1 Contacts
Phone book saves numbers which you will easily for future use. When the phone is in idle-state,
please press [menu] or [book] key to go to phone book.
5.1.1 Details
User can view through the contacts records in phone book by pressing the [▲] or [▼] key. Press

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[OK] key to select current phone number. Then you can press [Talk] to call this phone number.
[Contact]--[Details]
5.1.2 New
User can store a new record into phone book, including phone number and name. It can be saved
in phone or SIM card.
[Contact]—[New]
5.1.3 SIM Phone Book
Check record in SIM card.
5.1.4 My Phone Book
Check record in phone.
5.1.5 Memory status
Can check the memory status of the phone and SIM card.[Contact]-[Others]-[Memory Status]
5.1.6 Speed dial
Set numbers as one-key speed dial.[Contact]-[Others]-[Speed dial]
5.1.7 Delete
It can delete the record in phone or SIM card.
5.1.8 Delete Multiple
It can delete all records in phone or SIM card.

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5.2Short Message
5.2.1 Write Message
On selecting “Write message”, user can first edit message contents, then press [OK] and select
“send” to enter the phone number. It can choose only send, only save, send and save, send group,
insert name, insert numbers.
The maximum length is 140 characters for one piece SMS.
Note: Change inputmethod
Press [#] key to switch between different text input method: “ABC” for Uppercase letter input,
“abc” for lowercase letter input and “123” for number input. Also from here you can choose the
input languages.
5.2.2 WIFI hotspot
Select WIFI key and press,
Select WIFI hotspot to turn on or turn off, turn on WIFI hotspot to set user name andpassword,
press # key to switch input method when setting user name and password, press “ok”key to save
user name and password
5.2.3 Outbox
Check failed message.
5.2.4 Draft Box
Edit message in advance and save it in draft box.
5.2.5 Sent box
Selecting “Sent box”, user can check the messages that have been sent. Sent messages are
arranged according to date, and the most recent message is arranged at the top.
When viewing the content of the message, User can do operations: delete, read, copy to phone,
remove to phone, delete all, copy all, remove all and using numbers.

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5.2.6 Templates
User can check some usual use messages on the phone, then easily use the templates to reply, and
user can edit the templates for future use.
5.2.7 Voice Mail Server
This function can set: listen to voice message and voice message number.
5.2.8 Broadcast message
This function can set for broadcasting messages.
5.2.9 SMS Setting
Setting includes Service Center, validity Period, Status Report, Reply Path, Storage Medium, and
Storage Status.
5.2.10 Message Capacity
Can check the SMS memory in phone and SIM Card
5.3 Calls Log
5.3.1 Missed Calls
On selecting missed calls, the screen will display the missed calls’ information, including date,
phone number or name of person (if the number exists in the contact list). Last 20 phone calls can
be viewed.
5.3.2 Dialed Calls
On selecting dialed call, the screen will display the dialed calls’ information, including date,
duration, time and phone number or name of person (if the number exists in the contact list). Last
20 calls can be viewed.

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5.3.3 Received Calls
On selecting received calls, the incoming calls’ information, including date, time, duration and
phone number or name of person (if the number exists in the contact list) of incoming call, shall
be displayed on the screen. Last 20 calls can be viewed.
5.3.4 Delete all
On selecting this, you will delete all the records
5.4 Setting
5.4.1 Call Settings
It can set call divert, call waiting, call barred
5.4.2 Phone Settings
In Phone setting , you can do the following:
1.Time & date
2.Language Setting
3. Post-dialing delay setting
4. Restore factory setting
5.4.3 Display
Display Setting: Setting the contrast of the screen.
5.4.4 Security
Security Setting: It requires input phone code (password, the default password is 1234). Can set
that checking PIN code, lock phone and lock keypad.

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5.4.5 Network type
You can select network at here.
4G VoLTE preferred
Prefer GSM
GSM
WCDMA
4G VoLTE
5.4.6 Version
Users can check the HW and SW version of this phone.
5.5 Profiles
5.5.1 Ring Settings
Set caller ringtone and message ringtone
5.5.2Adjust volume
Set call volume, power ringtone volume, caller ringtone volume, message ringtone volume, alarm
ringtone volume,
5.5.3 Ring type
Set call alert ringtone, message alert ringtone, alarm remind ringtone,
5.5.4 Other alert rings
Set key tone, battery low alert, power ringtone.

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5.6 Application
5.7.1Alarm
To set alarm clock.
5.7.2 Calendar
To check calendar
5.7.3 Calculator
To use calculator function
5.7.4 USIM
USIM card
AppendixA: Packing List
Name
Quantity (Piece)
Fixed Wireless Phone (4G) 6688
1
Handset
1
Handle line
1
User Manual
1
Li-ion Battery (3.7v 1000mAH)
1
Ac adapter
1
TNC antenna (Optional)
1

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Appendix B: Technical Parameters
Module Chipset
Spreadtrum SC9820E ，Cortex A53 Dual-core,
Clock: up to 1.3GHz
Support DVFS
SIM
Support 3V & 1.8 V SIM card
Memory
MCP(4GB+2GB)
Max. powerconsumption
≤2W
LCD
128x64
Working current
The peak current is less than or equal to 2A
The maximum current for GSM calls is no more than 260mA
WCDMA communication maximum current is no more than
500mA
LTE peak call current is less than 750mA
Standby current is less than or equal to 5mA
GSM Band
GPRS/GSM：1900/1800/900/850MHz
WCDMABand
850MHz/1900MHz or 900MHz/2100MHz (optional)
Max. emission power
FDD/TDD：Power Class 3( 23±2.7dBm)
WCDMA : Power Class 3 (+24dBm +1/-3dBm)
GSM/GPRS 850MHz/900MHz: Power Class 5 (+33dBm ±2dBm)
GSM/GPRS 1800MHz/1900MHz: Power Class 0 (+30dBm
±2dBm)
Reception sensitivity
FDD/TDD LTE:≤-97.3 dBm(QPSK
PREFSENS,throughput≥95%)(An antenna has 10M broadband)
WCDMA850/WCDMA900/WCDMA1900/WCDMA2100 :
≤-108dBm
GSM850/EGSM900/DCS1800/PCS1900 : ≤-108dBm
Data rate
GSM CS:UL 9.6kbps/DL 9.6kbps
GPRS:171.2kbps
WCDMA:UL 11.5Mbps/DL 42.2Mbps
FDD:UL 50Mbps/DL 150Mbps
GPRS Type
Class 12
3GPPprotocol
R7.R8
LTE FDD rf technical
indicators
3GPP R9 CAT4 FDD,TDD/FDD receiving sensitivity more than 1
times higher than the standard of 3GPP.

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SMS
Support
Network Lock
Support
Upgrade
Support (through USB port)
SIM reader
Support
Working temperature
-20℃~ +70℃
Working Humidity
5%~ 95%
Atmospheric Pressure:
86 ~ 106KPa
Environment Noise
≤60dB（A）