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 ...
07/10/2026
Dalet, a leading technology and service provider for media-rich organizations, today announced the latest Long-Term Supported (LTS) release of Dalet Flex. Build...
06/09/2026
June 9 2026, 23:00 (PDT) Dolby and MagentaTV Bring Fans Closer to the FIFA Worl...
19/08/2026
On Saturday September 5 Katie Taylor will step into the ring for the fight of her life against Flora Pili in front of 80,000 fans in Croke Park. A legendary fig...
18/08/2026
Company launch with stereo-imaging tool
Panoramic is the debut release from Panorama Labs, a new company formed by mastering engineer Nicholas Di Lorenzo. C...
18/08/2026
Control software now available for older interfaces
Focusrite have just announced the launch of an update that extends Control 2 software support their Scar...
18/08/2026
Tuesday 18 August 2026
Sky Sports and The Fast and the Curious announce new partnership
Sky Sports and The Fast and the Curious have announced a new long-term...
18/08/2026
Wuppertal August 18, 2026
Riedel Brings Professional Live Production Into the Classrooms of ECURiedel Communications today announced that Edith Cowan Universi...
18/08/2026
Apple today announced changes to its business terms for apps in the European Uni...
18/08/2026
THE HEALY RAES: BLOOD, SWEAT & TEARS AIRS WEDNESDAY AUGUST 19 ON RT ONE AT 9:35PM
A new documentary The Healy-Raes: Blood, Sweat & Tears airs on RT One and ...
18/08/2026
Stunning Irish performances at European Athletics and Swimming Championships rea...
18/08/2026
The two-part series begins Sunday 23 August at 6.30pm on RT One and RT Player
...
17/08/2026
New MIDI processor & macro controller revealed
SHIK have announced that they have opened pre-orders for the S32, a standalone MIDI processor and macro contr...
17/08/2026
Cover extended on innovative motorised pot system
Melbourne Instruments have just revealed that the innovative motorised pot system used in their synths and...
17/08/2026
Latest firmware version now available
1010music have just released a free firmware update that brings some nice new features to their renowned Bluebox digit...
17/08/2026
Rohde & Schwarz showcases integrated defense and test solutions at DALO Industry...
17/08/2026
Calrec's ImPulseV Virtualised Audio Mixing Engine joins NEP Platform, the industry's largest ecosystem of trusted production software, bringing scalable...
17/08/2026
Visitors to IBC 2026 will see how FilmLight is reshaping the modern post pipelin...
17/08/2026
Visitors to Stand 1.C41 can explore innovations in areas such as addressable advertising, hybrid distribution, managed services and operational simplification.
...
16/08/2026
Virtual drummer joins line-up
The latest release from Gospel Musicians adds a virtual drummer to the company's line-up, combining a pair of meticulously...
15/08/2026
In-ear monitoring line-up gains new universal models
In-ear monitoring experts JH Audio have just announced a significant expansion of their Universal-Fit r...
14/08/2026
Latest instalment delivers disco-inspired grooves
The latest addition to UJAM's virtual drum line-up has been designed with contemporary pop, disco, dan...
14/08/2026
Elite range gains giant 24-inch powered sub
The latest expansion of Yorkville's Elite range introduces what the company say is the world's first act...
14/08/2026
Friday 14 August 2026
Breaking news! Sky releases trailer for The Paper, return...
14/08/2026
It's been one year since our client, Cotswolds Designer Outlet, opened its doors and we've loved seeing the scheme come to life. Together, we've hel...
13/08/2026
Company preview bio-interactive' synthesizer
VAEMI have announced the upcoming launch of a new standalone bio-interactive' generative synthesizer....
13/08/2026
Plug-in host gains new Slot Scenes feature
Ravine DSP have recently updated their innovative plug-in host, kitting it out with a new feature that brings yet...
13/08/2026
New U and U&W Documentary Features Kathleen Richards, One of the Last Surviving Witnesses to Fred and Rose West
Kathleen is Reunited with Childhood Friend and ...
13/08/2026
Thursday 13 August 2026
Official trailer released for the return of Tea with Ju...
13/08/2026
Dalet, a leading technology and service provider for media-rich organizations, t...
13/08/2026
Wenvoe serves over 1 million people across South Wales
13 August 2026, Winchester, UK - Vale of Glamorgan MP, Kanishka Narayan, has praised the engineering exp...
13/08/2026
RT 's Miriam O'Callaghan welcomed a range of specially invited guests to the National Concert Hall last week for a unique event to mark a new season wit...
13/08/2026
August 13 2026, 06:00 (PDT) Seattle Seahawks Become First Team to Bring Dolby O...
12/08/2026
Enhanced DAW & plug-in control for the UC1, UF8 and UF1
The software that powers SSL's range of control surfaces has just received a major update that d...
12/08/2026
In-line preamp features one-knob EQ
In addition to their range of in-line preamps, Triton Audio recently managed to squeeze a compressor into an enclosure t...
12/08/2026
Captures system audio with or without a DAW
Depending on your setup, capturing system audio in a DAW can be a tedious process, so much so that Arvital Audio...
12/08/2026
Comscore Reports Second Quarter 2026 ResultsRESTON, Va., August 12, 2026 Comscore, Inc. (Nasdaq: SCOR), a trusted partner for planning, transacting and evalu...
12/08/2026
NEW BOOKSHOP OPENING IN LONDON THAT OFFERS NEW IDENTITIES, NOT BOOKS, WITH FREE ...
12/08/2026
Brand-new trailer unveiled as Sky announces SNL UK ticket ballot will open on 14...
12/08/2026
Wednesday 12 August 2026
Sky Sports agrees deal to show Laver Cup from London's O2
Sky Sports has agreed a deal with Trident8 to show all three days of th...
12/08/2026
Wednesday 12 August 2026
Pre-order the new Google Pixel 11 range from today and...
11/08/2026
Free library captures pro classical string section
There's no shortage of freebies in The Crow Hill Company's line-up, with their Vaults series offe...
11/08/2026
Percussion instrument introduces all-new engine
Emergence Audio have just introduced an instrument that brings together a vast collection of percussive anal...
11/08/2026
Introduces new all-in-one Spatial Panner tool
Boris FX have recently announced the latest major update for their mastering and broadcast-focused DAW softwar...
11/08/2026
Rohde & Schwarz installs millimeter wave security scanners at Airports of Thaila...
11/08/2026
Comscore Announces ROI Strategy to Transform the Business Centers around three core objectives: Realign the Business, Optimize the Organization and Invest in Fu...
11/08/2026
Whether gamers are looking for high-octane action or a laid-back afternoon, Appl...
11/08/2026
Hosts D ith S and Kathryn Thomas rose to the occasion on Tuesday (August 11)...
11/08/2026
A Day in May airs Wednesday 12 August at 9.35pm RT One and RT Player
A Day in May revisits the people and stories behind Ireland's historic marriage equa...
Applicable Products Part number Description 
