Tag » Umts

UICC, SIM & USIM

Some people started asking me questions about “SIM cards”, like what the difference between USIM and SIM? What data can be found on the SIM? Or what are those APDU that been transfered between the ME to the UICC? 1.126 kata lagi

GSM

Summary of WWAN cards configuration

In this github repo, I put together my knowledge about WWAN cards setup, alongside with all initialization scripts.

Networking

UMTS - Universal Mobile Telecommunications System Tutorial by www.tutorialspoint.com

The Universal Mobile Telecommunications System (UMTS), based on the GSM standards, is a mobile cellular system of third generation that is maintained by 3GPP (3rd Generation Partnership Project). 65 kata lagi

System

Darimana Speed HSDPA 14.4 Mbps ?

Sering kita temui spek perangkat modem seperti ini, speed upto 14,4 Mbps:

Artinya data yang bisa dilewatkan dengan modem itu maksimal 14,4 juta bit per detik. 202 kata lagi

OpenBTS UMTS Bagian 1

Pagi ini jadwal saya ke Universitas Gunadarma untuk melanjutkan riset ngoprek OpenBTS, kali ini kami berniat mencoba OpenBTS-UMTS.

Ya, 3G dengan OpenBTS. 3G dengan perangkat Ettus N210 yang sebelumnya telah dibuatkan artikelnya beberapa waktu lalu, … 610 kata lagi

Voice And Video Over IP

Novatel E371 WWAN LTE modem for APU

Novatel E371 (also known as Dell DW5804) is sold for less than $30 at Aliexpress, and it’s so far the cheapest 4G/LTE WWAN card suitable for PC-Engines APU. 122 kata lagi

Networking

One more 3G modem (Gobi2000) and a watchdog script

Qualcomm Gobi 2000 is quite old (released 2009), but decent 3G modem, able to deliver up to 7Mbps in downstream in PPP mode. These modems in mini-pcie packaging are available at Aliexpress for less than $10, and make up a great option for 3G connectivity for PC Engines APU boards. 184 kata lagi

Networking