Quick question...
Where can cellular modem options for Neo900 be discussed? A comparison of them made? It may be an obvious reason which I do not notice, but why all the modems listed are gemalto's?

For example:

PHS8 and PXS8 have only GPS, no backup. PLS8 has GPS/AGPS/GLONASS. Qualcomm's MDM9625+ and MDM9225+ have GPS+GLONASS+Beidou.

PHS8 and PXS8 have 3G+2G+GPRS/EDGE. PLS8 has GPRS/EDGE+4G(Quad Band LTE, Tri Band UMTS/DC-HSPA+).
PXS8 has Dual-Band CDMA. PHS8 has TCP/IP.

Qualcomm's MDM9625+ and MDM9225+ have GSM/GPRS/EDGE, TD-SCDMA, LTE Adv. Cat 4, LTE FDD/TDD CAT 3, SVLTE-DB, HSPA+ Release10, EGAL.
MDM9625 is considered a bit more advanced (world mode). I am not sure if I understand correctly, but the specification sheet includes WiFi for all Qualcomm MDM chips (it's like having FM radio transceiver and Bluetooth on one chip: very confusing).

I am confused with all these bands, but 'world mode' sounds interesting. I am personally more interested in GPS+GLONASS+Beidou bit.

Best wishes.
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Per aspera ad astra...