• Aprisa XE Information Sheet - Aprisa XE as your LEDR replacement


    Download | 386.66 k ( .pdf )
  • Aprisa XE Datasheet Interface Cards Letter


    Download | 1.78 M ( .pdf )
  • Aprisa XE Datasheet FCC 2500 MHz


    Download | 734.78 k ( .pdf )
  • Aprisa XE Datasheet FCC 400 MHz


    Download | 734.29 k ( .pdf )

4RF in the USA

NEWS! We have launched our LEDR replacement trade up program. To find out more, click here.

At 4RF we combine the best of both worlds. We are a global company, yet we have people on the ground in your market, on your time zones. Here you will find information about the products we have available in the USA, together with contact details for the people you need to speak to.

Aprisa XE

The Aprisa XE supports three common FCC bands from 400 MHz to 2.5 GHz.

Frequency bands and capacity
400 MHz 421 – 512 MHz 56 kbit/s – 88 kbit/s
900 MHz 928 – 960 MHz 136 kbit/s – 1112 kbit/s
2.5 GHz 2305 – 2360 MHz 408 kbit/s – 65.4 Mbit/s
Modulation QPSK, 16QAM, 32 QAM, 64 QAM
Capacity 56 kbit/s minimum, 65.4 Mbit/s maximum
Aprisa SR

The Aprisa SR is available in the licensed 450 MHz band in the USA.

Aprisa SR short-form specification
Topology Point-to-multipoint; repeater
Frequency band 400 – 470 MHz
Channel size 12.5 kHz
Data rate 9.6 kbps
Output power 0.01 – 5.0 W
Power consumption 4.5 W Rx
Protocols RS-232 and IEEE 802.3
Modulation 4-CPFSK
Encryption 256 bit AES
Temperature –40 to +70°C
Form factor (w h d) 177 mm x 110 mm x 41.5 mm
Standards FCC RF, EMC, safety and environmental
Channel sizes
400 MHz 25 kHz / 75 kHz / 150 kHz
900 MHz 100 kHz / 200 kHz
2.0 GHz 500 kHz / 7.5 MHz / 14.0 MHz
E1 /T1 QJET Quad JET (E1, T1) with framed or unframed
Analog DXFO Dual 2-Wire FXO with PCM / ADPCM
  DFXS Dual 2-Wire FXS with PCM / ADPCM
  Q4EM Quad 4-Wire E&M with PCM / ADPCM
Data QV24 Quad V.24 asynchronous, synchronous and over sampling mode
  HSS High-speed synchronous serial supporting X.21, V.35, RS-449, RS-530
IP Ethernet 4-port 10 / 100Base-T switch with VLAN tagging and QoS support

4RF is proud to be a member of the Utility Telcom Council, and we exhibit at their events around the world.

For more information about our products and company, please contact us or feel free to explore the rest of our web site from our home page.