CSD call / replacement of an analogue modem For the data call on GSM, UMTS or 3G also called CSD (circuit switched data) and replacement of an analogue modem to a wireless cellular modem please note the hints as below: Activate auto answer and fixed baud rate may be. Store your profile with AT&W. Use […]
Category: M2M FAQ, hints, tips
GSM-location by TA
GSM-location by TA http://ow.ly/2ojxj
Soldering Service for Telit BGA GE865, GE864 and GE863
Soldering Service for Telit BGA GE865, GE864, GE863Â http://ow.ly/2oMwZ
Antenna efficiency
The antenna efficiency relates the power transited from M2M module to the antenna and the power radiated or dissipated within the antenna.
PTRCB Over-the-Air Test
For cellular applications such as GSM or CDMA basic RF performance is measured in terms of the product being able to transmit and receive reliably on a network. The scientific way to measure performance is in an anechoic chamber.
PTCRB approval
GSM and 3G M2M applications supporting North American 2G/3G networks require PTCRB approval (PTCRB Type Certification Review Board) in order to be accepted by the network operators in US and Canada. PTCRB approval ensures a M2M device is compliant with the appropriate technological standards, regulatory requirements and certain operator requirements (e.g. Over-the-Air RF performance).
3G module with embedded GPS
3G module with embedded GPS http://ow.ly/1zDix
Symbian OS in M2M
We all know Symbian as an operating system for Nokia mobile phones. Symbian is driving the 3G modem listed at http://www.gsm-modem.de/umts-modem.html . Symbian is able to drive the pin compatible 2G and CDMA modem as well. All this is possible because Telit´s 864 family is pin compatible. Video: An Introduction to the Symbian System Model
Indoor locating without GPS. Summary of technologies
Today we offer a summary of indoor locating technologies. 1. Indoor positioning on Bluetooth http://www.gsm-modem.de/M2M/tweet/indoor-positioning-on-bluettooth/ 2. WIFI 802.11b is use to detect change in position of one meter or even less http://www.gsm-modem.de/M2M/tweet/m2m-lbs-indoor-locating-w/ 3. Indoor Navigation without GPS: The new gold rush? http://www.gsm-modem.de/M2M/m2m-news/indoor-navigation-without-gps-the-new-gold-rush/ 4. Batman´s technology in use to see trough walls. Will Gotham City come […]
DTMF decoding by GSM modem
DTMF decoding by GSM modem http://ow.ly/1gZU6