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FORAX™ RF-over-Fiber Communications System

Syntonics’ Fiber Optic Remote Amplifier Extension (FORAX™) links radios to their antenna at distances up to 10 kilometers (75 km and more by special order). Instead of using heavy, short, power-consuming coaxial cables, one coax cable per radio, FORAX™ uses a single long, lightweight, and secure fiber optic cable to connect all the radios. For example:

Products

» FORAX™ RF-over-Fiber

» Handheld Tactical Antennas

» FSS Antenna Systems

» Current R&D

FORAX-RM—Versatile "rack-mount" RF-over-fiber system
FORAX-SC2—Two DAMA TACSAT radios to remote antennas
FORAX-HARC—Up to six radios with airborne antennas
FORAX-RP8—Two-way and trunked radio coverage
FORAX-LOS—Tactical radio-to-antenna remoting

Waveform		Radios Supported by FORAX™
HF SSB, ISB, AM, and Link-11 (serial tone modem 110A and ALE 141A)		PRC-150, MRC-148, USC-61, others
SINCGARS ASIP/SIP/ESIP		PRC-77, PRC-117, PRC-119, PRC-148, PRC-152, PSC-5, RT-1439, RT-1523, USC-61, VRC-12, VRC-91, others
VHF AM civil and military aviation		ARC-164, PRC-117, PRC-148, PRC-150, PRC-152, PSC-5, USC-61, URC-200, others
VHF AM maritime including AIS		ARC-164, PRC-117, PRC-148, PRC-150, PRC-152, PSC-5, USC-61, URC-200, others
UHF AM civil and military aviation		ARC-164, GRC-171, PRC-117, PRC-148, PRC-150, PRC-152, PSC-5, USC-61, URC-200, others
VHF/UHF land mobile radio including P25		All conventional and trunked two-way radios including Motorola, M/A-COM, EFJohnson
VHF/UHF LOS (VULOS)		ARC-164, PRC-117, PRC-148, PRC-150, PRC-152, PSC-5, USC-61, URC-200, others
UHF DAMA TACSAT (181B, 182A, 183A)		ARC-234, LST-5, PRC-117F, PRC-148, PRC-152, PSC-5, USC-61, others
UHF Link-11, Link-4a		PRC-117, PRC-148, PRC-152, PSC-5, URC-200, USC-61, others
EPLRS / SADL		RT-1719, RT-1720, RT-1922, others
GPS		Any L1, L2 receiver; requires active antenna (can be supplied)
JTRS		Gound Mobile Radios and others
UMTS		Various cellular systems


	» View larger		FORAX-RM, the versatile “rack-mount” RF-over-fiber system The FORAX-RM (rack-mount) modular system lets the user mix-and-match any number of FORAX™ RF-over-fiber links to equip a radio site with the ability to move its antennas up to 10 km away and further by special order.. A FORAX-RM RF-over-fiber link consists of a radio interface module (RIM) and an Antenna Interface module (AIM). At the radio site, RIMs are mounted in a 19-inch rack-mount chassis and connected by short coaxial cables to each radio’s antenna port. At the antenna site, AIMs are mounted in a 19-inch rack-mount chassis and connected to each antenna with coaxial cables. Each chassis is equipped with redundant hot-swappable AC power supplies. Optionally, an AIU can be housed in a weather-tight, lightning-hardened, pole-mount enclosure or a system can be provided in transit cases equipped for outdoor operation. » Download FORAX-RM Data Sheet PDF » Download FORAX-RM Configuration Pictures PDF

	» View larger		FORAX-SC2 — Two DAMA TACSAT radios to two remote antennas FORAX-SC2 (satcom, 2 radios) connects one or two radios communicating via UHF tactical satellite (“DAMA TACSAT”) to distant antennas. FORAX-SC2 offers a high performance alternative to conventional radio-antenna coaxial cable connections, affording great flexibility in antenna location plus opto-isolation for all the User’s radios. Antennas can be located up to 10 km from the radios. » Download FORAX-SC2 Data Sheet PDF

	» View HARC page		FORAX-HARC — Up to six radios with airborne antennas FORAX-HARC ("High Antennas for Radio Communications") connects multiple to airborne antennas, high overhead on an aerostat. The lightweight airborne payload is intended for aerostats with only one available optical fiber in their tether. FORAX-HARC provides long distance communications and enhances line-of-sight communications into "urban canyons" and mountainous terrain. Radios types supported include SINCGARS, EPLRS, LMR, JTRS including GMR, and cellular systems including UMTS 3G/4G. » Download SIGNAL article, July 2010 » Download FORAX-HARC Data Sheet PDF » Download FORAX-HARC White Paper PDF » View FORAX-HARC Advertisement in SIGNAL Magazine

	» View larger		FORAX-RP8 — Two-way and trunked radio coverage into basements, tunnels, and tall buildings FORAX-RP8 (repeater, 8 zones) connects VHF/UHF repeaters used in public safety or industrial radio system to distant RF “dead zones,” such as building basements, secure facilities, or tunnels, using fiber optic cables to transport the RF signals. Both conventional and trunked radios systems are supported. FORAX-RP8 offers a secure connection that takes advantage of your facility’s existing single mode optical fiber infrastructure. FORAX-RP8 eliminates roof penetrations and awkward, power-consuming coaxial cable runs to outdoor antennas. Coverage in RF dead zones is possible up to 10 km from the base station (longer by special order). Transmit power levels are tailored for your specific installation and filtering is tailored to your channel assignments. FORAX-RP8 systems can be ganged to cover 8, 16, or more “dead zones.” » Download FORAX-RP8 Data Sheet PDF

	» View larger		FORAX-LOS1 & FORAX-LOS2 AIU — One radio to two remote antennas The FORAX-LOS1 (line-of-sight, 1 radio) Antenna Interface Unit (AIU) connects one radio to two User-selectable remote antennas: one UHF military satellite communications antenna (“UHF MILSATCOM” or “TACSAT”, 243-318 MHz) and one VHF/ UHF line-of-sight antenna (“VULOS,” 30-512 MHz). FORAX-LOS2 (line-of-sight, 2 radios) adds the capability to connect a second radio to a remote TACSAT power amplifier + antenna. Both models require a Radio Interface Unit (RIU) from the FORAX-RM product line. » Download FORAX-LOS1 Data Sheet PDF