Alexander ChemerisCEO, fairwaves LLC

GSM re-invented

UmTRXThe SDR transceiver for GSM

(and LTE?)

Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru

UmTRX

SDR transceiver for• low-cost,• mid-range,• power-efficientbase stations

And everything else :)

Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru

UmTRX architecture

Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru

UmTRX technical details

• Channels: 2• Tuning: 375MHz-2.8 GHz• Bandwidth: 13 MHz• Low-pass filter: 1.5-28 MHz• ADC and DAC: 12-bit• Output RF power: 100 mW @ 900MHz

50 mW @ 1800MHz• Input voltage: 8-28 V DC

Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru

UmTRX highlights

• Dual TRX

• GPS-locked clock

• 5.25" form-factor

• 100 mW output power

• Ethernet connection

MIMOindependent channels

no maintenanceno expensive OCXO

many enclosuresfits into CD-ROM slot

standard for BTSamplifies to any value

standardreliable

Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru

Modified UHD firmware & software

Out of the box support for:

• GnuRadio

• OpenBTS

• OpenBSC

Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru

UmTRX DIY hardware

Bare board 5.25” tray

Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru

UmTRX based base stations

DesktopRack mount

Outdoor

GSM re-inventedAlexander Chemeris

Alexander.Chemeris@fairwaves.ru+7 (915) 330-7626

skype: Alexander.Chemeristwitter: @chemeris