Qualcomm announces new 5th gen Gobi 9×45 LTE Multimode Modem

Chip vendor Qualcomm Technologies today introduced Gobi 9×45 modem, its fifth-generation LTE multimode solution, and QFE3100, its second generation RF360 Envelope Tracker.Qualcomm said these two products are currently sampling with customers and will be commercially available in 2015.


The new Gobi 9×45 fifth-generation Category 10 LTE cellular multimode modem that supports global Carrier Aggregation (CA) for download speeds of up to 450 Mbps, upload speeds of up to 100Mbps, and CA across the TDD and FDD spectrum, compared to 300Mbps download speeds in the 9×25, 9×30 and 9×35 Gobi modems. It is based on the second-generation 20nm technology node and supports up to 60 MHz 3x CA in the downlink and up to 40 MHz 2x CA in the uplink.

The LTE chip also  has DC-HSPA, EVDO, CDMA 1x, GSM and TD-SCDMA for global support and supports all major RF bands and band combinations. It also provides global position support for all major constellations including GPS, Beidou, Glonass and Galileo. In addition, it has integrated support for LTE Broadcast, VoLTE and LTE Dual SIM.

Speaking of the QFE3100, the next generation envelope tracker which Qualcomm has announced. The new envelope tracker is optimized for 30% smaller board area and enhanced power efficiency compared to the previous generation. It offers improved battery life by reducing power amplifier (PA) power consumption and heat generation.

The new 9×45 Gobi modem and the QFE3100 envelope tracker is designed in such a way that they can be paired up and will provide the most advanced level of modem the mobile industry till date. They are also designed to provide RF platform  with support for 2G, 3G and 4G cellular modes. The combination of the 9×45 modem and QFE3100 is designed to support premium LTE-Advanced features for OEMs.

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Debjeet Pal

He is now a BTech graduate in ECE department. He loves to play guitar and has keen interest in Music. Geek by nature, fiddles around with Android and Windows.