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
Demonstration of Solution Resources used for this application note are as follows:
ZETA-NEP-LTE4 (EU) modem (Low Power Modem with RS232 and USB serial): https://www.siretta.com/products/industrial-modems/lte-cat-4-mobile-network/enhanced-lte-cat-4-european-modem-with-gpio/
Modem Starter Kit Quick Start Guide: ZETA-xxP Quick Start Guide
Initial Modem Setup Guide Application Note: Initial Modem Setup Guide App Note - LP (siretta.com)
Data enabled SIM card.
A PC with an installed Terminal Emulator' program: Window 11 Laptop installed with Tera Term used for the purpose of this guide.
AT command reference manual: ZETA-xxP-LTE1 / ZETA-xxP-LTE4 AT Command https://pages.services/pages.siretta.com/zeta-xxp-lte1-zeta-xxp-lte4-at-command-reference-manual/?ts=1658149511127
Setup GPRS Connection Parameters 1. Set extended error messages by using at command below.
COM3 - Tera Term VT
File Edit Setup Control Window Help
AT CMEE=2
OK
2. Set GPRS APN Name by using at command below.
Outgoing Connection (Old Commands - No longer supported). 3. If the sim card requires username and password use below at commands otherwise continue with step 4.
COM3 - Tera Term VT
File Edit Setup Control Window Help
//Set GPRS Username
AT#USERID= APN username
//Set GPRS Password
AT#PASSW= APN password
4. Open GPRS context 1 by using below command.
Note: This will return your ISP assigned IP address as seen below.
COM3 - Tera Term VT
File Edit Setup Control Window Help
AT#GPRS=1
IP: 10.49.78.129
OK
5. Open Socket on Port Number at IP Address (Or URL) using below at command.
COM3 - Tera Term VT
File Edit Setup Control Window Help
AT#SKTD=0,80, www.siretta.com ,0,0
CONNECT
6. If successful, this will return CONNECT.
7. Set protocol using below command.
COM3 - Tera Term VT
File Edit Setup Control Window Help
GET /time.php HTTP/1.1
Host: www.siretta.com
HTTP/1.1 200 OK
Date: Tue, 20 Feb 2024 12:57:53 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
CF-Cache-Status: DYNAMIC
Report-To: { endpoints :[{ url : https:\/\/a.nel.cloudflare.com\/report\/v3?s=fL WGA3KZQXP%2BeD1hmWShzeGB0leN8w= }], group : cf-nel , max_age :604800}
NEL: { success_fraction :0, report_to : cf-nel , max_age :604800}
Server: cloudflare
CF-RAY: 8586eafdfb086627-AMS
alt-svc: h3= :443 ; ma=86400
18
#NITZ: 24/02/20,12:57:53
Outgoing Connection (New Commands) COM3 - Tera Term VT
File Edit Setup Control Window Help
//Set packet size and timeouts on context 1-6
AT#SCFG=1,1,300,90,600,50
OK
COM3 - Tera Term VT
File Edit Setup Control Window Help
//Open GPRS context 1-6 with APN username and APN password
AT#SGACT=1,1, APN Name , APN Password
//This will return your ISP assigned IP address
#SGACT: 10.188.232.13
OK
//Open Socket on Port Number at IP Address
AT#SD=1,0,80, www.siretta.com ,0,0
//If successful this will return CONNECT
CONNECT
//Set protocol
GET /time.php HTTP/1.1
//Request and query time script
Host: www.siretta.com
//If successful this will return #NITZ command as described in the AT manual
#NITZ: yy/mm/dd,hh:mm:ss
HTTP/1.1 200 OK
Date: Tue, 20 Feb 2024 15:08:36 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
CF-Cache-Status: DYNAMIC
Report-To: { endpoints :[{ url : https:\/\/a.nel.cloudflare.com\/report\/v3?s=eE0BEOvB06KrA6
PjmhJPt4xSMv3fCW2Ab2WfsEJrsMEU0Cj4741M1hIW0wGOVHZRqjOfJRKzNHQAJyL2A2ECkIAD
70HPWdUbl4m1AYxrbQg3bFMWVHxE9aK7YH6xOP9V0Kg= }], group : cf-nel , max_age :604800}
NEL: { success_fraction :0, report_to : cf-nel , max_age :604800}
Server: cloudflare
CF-RAY: 8587aa7888906f0b-CDG
alt-svc: h3= :443 ; ma=86400
18
#NITZ: 24/02/20,15:08:36
0
NO CARRIER
//After timeout or ' will return NO CARRIER
// Close GPRS context 1-6
AT#SGACT=1,0
Note: Please note that this script and service provided by Siretta is for test purposes only. Siretta will not guarantee that this service will remain in operation indefinitely into the future. For applications which rely on using this service it is recommended that you maintain and run the script on your own server using the example script provided below.
Example PHP Script
Additional Reading Description Author
Modem Starter Kit- Quick Start Guide: ZETA-xxP Quick Start Guide Siretta
AT command manual
Telit
Initial Modem Setup Guide
Siretta
Link to download Tera Term
https://osdn.net/projects/ttssh2/downloads/68252/teraterm-4.96.exe/
OSDN
Post Views: 30
Europe Stories
05/01/2027
Worlds first 802.15.4ab-UWB chip verified by Calterah and Rohde & Schwarz to be ...
01/06/2026
January 6 2026, 05:30 (PST) Dolby Sets the New Standard for Premium Entertainment at CES 2026
Throughout the week, Dolby brings to life the latest innovatio...
01/05/2026
January 5 2026, 18:30 (PST) NBCUniversal's Peacock to Be First Streamer to ...
01/04/2026
January 4 2026, 18:00 (PST) DOLBY AND DOUYIN EMPOWER THE NEXT GENERATON OF CREATORS WITH DOLBY VISION
Douyin Users Can Now Create And Share Videos With Stun...
09/01/2026
RT Player has 157 million streams, up 10% year-on-year
An increase on 2024, RT...
09/01/2026
RT 2FM has today announced the highly anticipated list of 2FM Rising Artists for 2026, kicking off 2FM Rising week for the eighth year on The Tracy Clifford Sh...
09/01/2026
RT to Host the 2026 RTS Ireland Awards
Thursday, 16 April 2026 | Dublin Royal Convention Centre
The RTS Ireland Television Awards 2026 | Gradaim RTS 2026 | R...
08/01/2026
An evidence-based analysis on disinformation and information manipulation in Sudan's ongoing conflict is published today. (January 8th 2026).
Thomson Found...
08/01/2026
In 2025 we launched the Spotify Partner Program to give creators more ways to tu...
08/01/2026
On Wednesday in Los Angeles, Spotify welcomed creators and press to a brunch cel...
08/01/2026
TSA awards Rohde & Schwarz contract for advanced airport screening ahead of Socc...
08/01/2026
The review looks back at DPA's miniature microphone development over the years. It compares the evolving technologies from the original mics through CORE an...
08/01/2026
Comscore Launches Audio Targeting and Measurement Capabilities with The Trade De...
08/01/2026
Tonight, on RT Prime Time at 9:35pm on RT One and RT Player
Tonight, Prime T...
08/01/2026
The Late Late Show celebrates the very best of traditional Irish music with its first-ever full special dedicated entirely to the tradition
Lisa Canny | Kevin...
08/01/2026
It will be murder on the dancefloor when Dancing with the Stars returns this S...
07/01/2026
Spotify is launching a week-long celebration spotlighting creators at the center...
07/01/2026
We know people use Spotify not just to listen, but to share the songs, podcasts, and audiobooks they love with their friends and family. When we launched Messag...
07/01/2026
This week, all eyes are on the podcast industry as the Golden Globes recognizes ...
07/01/2026
Podcasts are stepping onto a new stage this week as the Golden Globes recognize the medium for the first time. To mark this milestone moment, we're hosting ...
06/01/2026
Spotify is launching a week-long celebration spotlighting creators at the center...
06/01/2026
Lorde. A$AP Rocky. JENNIE. Baby Keem. KATSEYE. That's just a taste of who...
06/01/2026
Channel 4 and UKTV are giving viewers even more reasons to stream, with UKTV's U service set to feature thousands of hours of free, unmissable and bingeable...
06/01/2026
Tuesday 6 January 2026
An update on our Sky Mobile prices
Devesh Raj, Chief Operating Officer, Sky
Today, we've announced some changes to the prices of ...
06/01/2026
Comscore Launches Daily Program-Level Reporting with Deduplicated Insights on Sh...
06/01/2026
Comscore Completes Recapitalization Transaction with Preferred Stockholders Foll...
05/01/2026
Bad Bunny's DeB TiRAR M S FOToS defined the sound of 2025 for listeners eve...
05/01/2026
As the clock struck midnight and 2026 was born, so was an exciting range of new ...
05/01/2026
These Sacred Vows starring Tom Vaughan-Lawlor, Justine Mitchell and Jason O'...
05/01/2026
DANDANCING WITH THE STARS RETURNS TO SHAKE UP SUNDAY NIGHTS
Reigning Rose of Tr...
02/01/2026
Any Given Day: Cork University Hospital premieres Wednesday 7 January on RT One and RT Player at 9:35pm
RT will debut a powerful new six-part documentary se...
02/01/2026
Friday 2 January 2026
All episodes of Heated Rivalry will be landing on Sky and...
02/01/2026
Sequins, chat shows, live sporting action, ground-breaking docuseries and brand-new Irish drama to kick off 2026
New Year, New Content Coming Soon across RT
...
01/01/2026
The Quantum 852 is situated in the 6,500-seat Seoul-based place of worship, a church which is home to a 1,000-person choir and a 50-piece orchestra. There are f...
01/01/2026
Formed in 2002, OneRepublic have enjoyed huge international success, with over 18 billion streams on Spotify alone. Their current tour, Escape to Europe, contin...
01/01/2026
We had been using the club's previous console for the last ten years, so we researched manufacturer information very carefully, says venue audio manager Mr...
30/12/2025
Your live countdown to 2026 with Inhaler, David Gray, Lyra, Garron Noone, Sharon...
29/12/2025
From crisper Lossless audio and immersive music videos in beta to new Audiobooks+ plans, custom transitions between tracks, and in-app Messages, we keep levelin...
24/12/2025
RT has unveiled an exclusive first look at the new Dancing with the Stars promo...
23/12/2025
The year is winding down, the weather outside is frightful, and it's the perfect time to escape into a story that warms the heart. For listeners looking for...
23/12/2025
23 Dec 2025
VEON's Beeline Kazakhstan and Rakuten Symphony Collaborate to A...
22/12/2025
For a decade, popular German podcast Fest & Flauschig has hosted an annual Chris...
22/12/2025
Monday 22 December 2025
Sky extends PGA TOUR partnership until 2029, as Sky Spo...
22/12/2025
Siobh n McSweeney, Rory McIlroy, Elon Musk, Catherine Connolly, Jim Gavin, Ivan Yates and Traitor Paudie Moloney lead new characters for Callan Kicks the Year 2...
22/12/2025
Winner announced in the picturesque surroundings of Wicklow's Avondale Tower and Treetop Walk
Andrew Trimble wins the show in his first series as coach
Th...
22/12/2025
The 2025 winners have been announced today, Sunday 21 December, for Ireland's largest choral competition Choirs for Christmas hosted by RT lyric fm.
Ove...
21/12/2025
John Shortt named Young Sportsperson of the Year Kerry are the Team of the Year
...
19/12/2025
With Playout Release 2025.4, ToolsOnAir continues to push professional playout w...
19/12/2025
19 Dec 2025
VEON's Mobilink Microfinance Bank Launches Islamic Banking Oper...
Applicable Products Part number Description 
