
Applicable Products Part number Description
ZETA-GEP-LTE4 (EU) Low Power LTE Cat 4 European Modem with GPIO and GNSS
ZETA-G-GPRS Entry Level GPRS Modem with GNSS (GL)
ZETA-N2-GPRS Entry Level GPRS Modem (GL)
ZETA-NEP-LTE4 (EU) Low Power LTE Cat 4 European Modem with GPIO
ZETA-NEP-LTEM (GL) Low Power Global LTE Cat M Modem with GPIO
ZETA-NLP-LTE1 (EU) Ultra Low Power European LTE Cat 1 Modem
ZETA-NLP-LTEM (GL) Ultra Low Power Global LTE Cat M Modem
ZETA-N-LTE (EU) High Performance LTE Cat 4 Modem with GPIO
ZETA-NSP-LTE1 (EU) Low Power European LTE Cat 1 Modem
Objective All industrial modems requires initial set up, so that they can communicate with other modems on the cellular networks using AT commands. This application note shows how this is done for Siretta ZETA modems and ensure that the modem is correctly configured to communicate over cellular network.
Demonstration of Solution Resources:
PC with an installed Terminal Emulator' program: A Windows 10 laptop installed with Tera Term was used for the purpose of this guide.
Siretta Part Number: 61057 -ZETA-GEP-LTE4 (EU) Starter Kit (any ZETA starter Kit is suitable for this application)
Insert SIM card to the modem
Power on the modem
Connect the supplied serial port cable to the PC
Connect the antenna
As described in the Starter Kit Quick Start Guide
Open Hyperterminal on the PC (or your preferred terminal emulator: PuTTY, TeraTerm).
Select new connection. Name the new connection for reference in the future.
Name your port.
8. Choose the correct COM port. From the drop-down list, select the correct COM port your modem is connected to.
9. Configure the port with the following settings (These settings are standard for all of the ZETA Siretta modems):
Bits per second: 115200
Data bits: 8
Parity: None
Stop bits: 1
Flow control: Hardware
10. Click Apply
11. Send the initial AT' command to determine the serial communication with the modem is working correctly. If communication is successful. you will get an OK' response from the modem. You can then issue any other commands as required.
Commands to Check System is Working
Check Serial Port is Working
AT
//Receive following when successful:
OK
Set Verbose Error Reporting
AT CMEE=2
//Receive following when successful:
OK
Commands for Basic Operation
Check PIN Registration
AT CPIN?
//Receive following when successful:
CPIN: READY
OK
//Receive following when SIM is not inserted:
CME ERROR: SIM not inserted
//Receive following when SIM requires a PIN code:
CME ERROR: SIM pin
Query Firmware Version
AT GMR
//Receive following when successful:
Firmware version (make a note of this)
Query IMEI Number
AT CGSN
//Receive following when successful:
IMEI number (make a note of this)
Cellular Network Operation Set Network Registration to ALL'
AT COPS=0
//Receive following when successful:
OK
Check Network Registration
AT CREG?
//Receive following when registered to a local network:
CREG: 0,1
//Receive following when registered to a roaming network:
CREG: 0,5
//Receive following when not registered to a network:
CREG: 0,0
//Receive following when not searching for a network:
CREG: 0,2
//Receive following when registration is denied:
CREG: 0,3
NOTE:
When experiencing registration problems, check the following:
1) Antenna is connected and screwed in tightly to unit
2) SIM is valid and has credit / active
3) SIM is setup for 2G / 3G / 4G services
4) SIM is SMS enabled
5) There is signal available for the cellular network in use
6) Ensure more than 15 seconds has elapsed since power up.
Check Network Signal Strength AT CSQ
//Receive signal value >9 when successful:
CSQ: 23,1
//Receive signal value =99 when there is no signal:
CSQ: 99,1
//Receive signal value less than 9 when there are network connectivity issues:
CSQ: 3,1
NOTE:
When experiencing bad network signal strength (less than 9), check the following:
1) Antenna is suitable for network in use and is tightly screwed to unit
2) There is good signal available for the cellular network in the area
3) Move the antenna near a window or preferably outside
4) Move the antenna to an elevated position (> 3M high)
5) Use a high gain antenna
6) Ensure short cable length (less than 3M) for cable connecting antenna to modem
GPRS Network Operation Check GPRS Context Availability
AT CGATT?
//Receive following when successful:
CGATT: 1
OK
//Receive following when content is not available or not enabled:
CGATT: 0
OK
Set GPRS APN For Your Network
AT CGDCONT=1, IP , APN Name
//Receive following when successful:
OK
NOTE:
To configure the APN name correctly, follow these steps :
1) Navigate to the following link: Common Global APN Settings
2) Select the country you are in (If your country is not listed please contact Siretta)
3) Select the network from the list (If your network is not listed please contact Siretta)
4) Insert the APN name from the table in to the APN Name field in the AT CGDCONT' command
Connect To GPRS Context AT#SGACT=1,1, APN Username , APN Password
//Receive following when successful (Where x.x.x.x is your assigned IP address):
#SGACT: x.x.x.x
OK
//Receive following when the APN Name / APN Username / APN Password is incorrect:
ERROR
NOTE:
To configure the APN username and password correctly, follow these steps:
1) Navigate to the following link: Common Global APN Settings
2) Select the country you are in (If your country is not listed please contact Siretta)
3) Select the network from the list (If your network is not listed please contact Siretta)
4) Insert the APN username from the table in to the APN Username field in the AT#SGACT' command
5) Insert the APN password from the table in to the APN Password field in the AT#SGACT' command.
Setup T
Europe Stories
04/09/2025
Monumental Sports & Entertainment (MSE), in collaboration with Dalet, has been a...
25/04/2025
Agile Content joins forces with Tiscali to introduce a new platform in Italy, of...
25/04/2025
The company positions Agile TV as the commercial brand focused on delivering TVaaS solutions for operators and media.
The chosen tagline TVaaS your way enca...
25/04/2025
A Fully Managed Solution That Maximizes Revenue for North American Operators Whi...
25/04/2025
25 Apr 2025
VEON Files its 2024 Annual Report on Form 20-F Dubai, April 25, 2025: VEON Ltd. (Nasdaq: VEON), a global digital operator ( VEON' or the Compa...
25/04/2025
Friday 25 April 2025
Hot on the heels of the Irish Dancing World Championships ...
25/04/2025
Following last year's successful event, we're back at the Media Production and Technology Show (MPTS) in London this year. As before, we're looking ...
25/04/2025
Facebook
Twitter
LinkedIn
Enhancing Data Protection and Governance Service...
24/04/2025
Playlists have always been at the heart of the Spotify experience. Since AI Playlist in beta launched last year, Premium users have used it to create millions o...
24/04/2025
From the California desert and Chicago's Grant Park to New York City's Flushing Meadows Corona Park and beyond, music festivals this spring and summer w...
24/04/2025
The sounds of Asia are as diverse and vibrant as the continent itself. From the lively beats of Indonesian pop to the gritty rhymes of Pinoy hip-hop, the region...
24/04/2025
Century City, Calif. and Bilbao, Spain (July 8, 2024) - Ateliere Creative Technologies, a leading GenAI media software solutions company, and Agile Content, a l...
24/04/2025
Agile Content to Showcase Industry-Leading TV-as-a-Service Platform at IBC 2024
Bilbao, September 4th - Agile Content, a leading provider of Internet televisio...
24/04/2025
Boosting TVaaS in the German-speaking countries with expert integration and 24/7 local support
Bilbao/Wiesbaden, September 5th 2024 Agile Content and netorium...
24/04/2025
New partnership between Agile Content and GlobalDots promises to introduce automated multi-CDN solutions, optimizing content delivery and easing provider manage...
24/04/2025
Empowering operators with real-time content delivery optimization, improved video quality, and reliable end-to-end service visibility
Amsterdam, Netherlands, S...
24/04/2025
Agile Content joins forces with Convergenze to introduce a new platform in Italy, offering a wide range of premium content for all audiences.
Bilbao, September...
24/04/2025
Bilbao, October 10th 2024 - Agile Content, a global provider of PayTV end-to-end solutions, has received the Bronze EcoVadis Sustainability Rating. This ranking...
24/04/2025
Through this agreement, MASORANGE will incorporate new AGILE CONTENT technologies into its television service, enhancing customer experience with optimum servic...
24/04/2025
The company reports positive results in the third quarter, despite ending the first half of 2024 with an 8.8% decline in revenue and an 18.3% drop in EBITDA com...
24/04/2025
Agile Content joins forces with Tiscali to introduce a new platform in Italy, offering a wide range of premium content for all audiences.
Bilbao, November 26,...
24/04/2025
The company positions Agile TV as the commercial brand focused on delivering TVaaS solutions for operators and media.
The chosen tagline TVaaS your way enca...
24/04/2025
A Fully Managed Solution That Maximizes Revenue for North American Operators While Combining Traditional Cable TV and OTT Apps in one Single Interface.
Bilbao,...
24/04/2025
The Entertainment Hub is a fully integrated TV solution that represents a significant step in redefining the white-label TV business model for operators across ...
24/04/2025
Feature-Rich, Widely Deployed Android TV Devices Enable Seamless Transition to Fully Managed Pay-TV Services for Network Operators
NAB Show 2025, Las Vegas, A...
24/04/2025
Aix-en-Provence, France, San Diego, USA and Bilbao, Spain, March 27, 2025 - Verimatrix, (Euronext Paris: VMX), the leader in powering the modern connected world...
24/04/2025
VoIP quality monitoring takes off: R&S AVQA from Rohde & Schwarz now operational...
24/04/2025
Rohde & Schwarz receives VESA approval for DisplayPort testing solutions Rohde & Schwarz test solutions have been officially approved by the Video Electronics...
24/04/2025
FOX Unveils Its Summer 2025 Schedule, Featuring New and Returning Unscripted Ser...
24/04/2025
We're delighted to welcome Ambiga Ram to our Projects Team as a Project Manager.
With over 20 years of experience managing complex projects across internat...
24/04/2025
Episode one airs Sunday April 27th, 6.30pm on RT One and RT Player
Watch: Ke...
24/04/2025
Facebook
Twitter
LinkedIn
Order intake: 3.8 billion, down -25% (-27% on an organic basis1)
Sales: 5.0 billion, up 12.2% ( 9.9% on an organic basis)
A...
23/04/2025
In 2024, Thomson's Total Turnout project played a pivotal role in elevating ethical election reporting and strengthening journalist safety in Pakistan.
Wit...
23/04/2025
Comscore to Announce First Quarter 2025 Financial ResultsRESTON, VA, April 23, 2025 Comscore, Inc. (Nasdaq: SCOR), a trusted partner for planning, transacting...
23/04/2025
In an email to RT staff today, RT Director-General, Kevin Backhurst confirmed that RT 's Voluntary Exit Programme (VEP) 2025 is open from today, Wednesday...
23/04/2025
RT will air live coverage on television, radio and online of the funeral of Pope Francis which takes place this Saturday, 26 April 2025.
Beginning at 8.30am o...
23/04/2025
Facebook
Twitter
LinkedIn
Enables Michelin to focus on development of its ...
23/04/2025
April 23 2025, 02:00 (PDT) Dolby Ushers in the Future of In-car Entertainment at Auto Shanghai 2025
Dolby and industry partners demonstrate robust momentum ...
22/04/2025
Music has the power to connect us to one another and to the world around us. Spotify is once again teaming up with the Museum for the United Nations - UN Live...
22/04/2025
Spotify has an unwavering commitment to supporting emerging artists across all g...
22/04/2025
This year marks the 55th anniversary of Earth Day, celebrated annually on April 22. On Spotify, listeners can explore a world of stories about our planet in our...
22/04/2025
Tuesday 22 April 2025
To view this content, please enable our use of cookies. T...
22/04/2025
Facebook
Twitter
LinkedIn
The Technologies for Existing and Future Main Ba...
21/04/2025
Fox Corporation Executives to Discuss Third Quarter Fiscal 2025 Financial Result...
17/04/2025
This year's NAB Show in Las Vegas marked a noticeable shift in the priorities of media and broadcast organisations. Gone are the days of chasing flashy, or ...
17/04/2025
Amy Daniel Amy Daniel is a multi-award-winning filmmaker whose work has been broadcast and screened internationally, including at prestigious BAFTA and Academy ...
17/04/2025
Big shout out for our Managing Director Simon Couchman who is running his 50th and final marathon ahead of his 50th birthday in fancy dress!
Simon hopes to ach...
17/04/2025
Festival programme promises a feast of drama, an action-packed fringe festival a...
17/04/2025
Facebook
Twitter
LinkedIn
Thursday, 17 April 2025 - The next step has now been taken in the Franco-German armaments project Main Ground Combat System (MGC...
17/04/2025
RT 's Ireland's Wild Islands wins Best Series at the 2025 International ...