Before the year comes to an end there is a need for a birthday cake on my desk. This is because I have been working in GSM and GPS for 20 years. What has happened in those 20 years? GPS GPS have modules achieved lower and lower power consumption. Today we are at 5 mA […]
GSM PIFA antenna flying over ground A picture can tell more than a thousand words. I do not remember how often I have drawn such a sketch at a customer’s office. It is time to change this waste of time and to start with an antenna proposal gallery online. The GSM PIFA antenna is “flying” […]
If you are in GPS tracking business and have customers or plans to deliver to Russia, then it makes sense to have a look on a combined GPS/Glonass module.
Wrong desigend GSM GPS Tracker The two yellow bars on the screen of the vector network analysers mark the – 6 dB return loss target for GSM 900 and GSM 1800. In the lower GSM 900 band the antenna is far away from the -6 dB. The GSM antenna is not an antenna. It is […]
By using of a combined FR4 together with Flex PCB is it possible to bend the PCB and to get a good ground plane for the GSM and GPS antenna. Such PCBs can be useful for tracking of animals, banknotes or tracking of security officers.
Technical features of the HL6528 Network Technology: GPRS, GSM GNSS: Optional GPS/Glonass with HL6528-G Frequency Bands: 850/900/1800/1900 MHz Carrier Certifications: Orange, Telefonica, Vodafone Regulatory Certifications: R&TTE, CE, GCF-CC, FCC, PTCRB, RoHS Compliant Operating temperature: -40°C to +85°C Form factor: Solder-down / SMT Mounting The HL6528 development kit includes: 1 AirPrime HL6528 module on socket boards […]
2G, 3G and 4G plus GNSS in same shape The new Sierra Wireless HL6528-G is a real amazing piece of wireless technology. I am close to 20 years in GSM and GPS. In the old times we were happy get a GSM module without GPS in a shape of a cigarette box. Such an old […]
The sketch about GPS antennas was made during a training 1. GPS chip antenna as PIFA One option are GPS PIFAs. Such PIF antennas are looking for 70 to 80 mm long PCBs. 35 to 40 mm left and 35 to 40 mm right is fine. The shorter the PCB length, the worst the […]
The GE910-GNSS combines GSM/GPRS plus GNSS (GPS and GLONASS) in one enclosure. This saves space on PCB and lowers the bill of material. QUAD-BAND GSM 850/900 1800/1900 MHz GNSS (GPS and Glonass) Embedded TCP/IP, FTP, SMTP 28.2 x 28.2 x 2.6 mm 10 I/O ports max. 2 UART, USB2.0, I2C Analog/Digital Audio Remote AT commands […]
GSM / GPS tracking device on solar power will run endless GSM Module Quad Band GPS module with GPS patch antenna Charging power 750 mW during sunshine at 12:00 A.M. Waterproofed IP65 Embededed GSM antenna MCU Standard SIM and SIM on Chip Battery For more details or an customised GSM/GPS tracker just drop an email […]