SKU: 98328846227

Positron CRX Outdoor 4-Port F-Type Coaxial G.hn Access Multiplexer with Reverse Power Feed

Sale price$818.98 Regular price$909.98
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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26

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Description

Positron CRX Outdoor 4-Port F-Type Coaxial G.hn Access Multiplexer with Reverse Power FeedFiber to the Home is far from the only and most efficient technology to deliver Gigabit Internet access to subscribers. Retrofitting an existing (brownfield) Multi Dwelling Unit (MDU) with fiber is complex, highly disruptive and expensive. With the G. hn Aggregation Multiplexer (GAM), Positron Access addresses the key challenge of delivering Gigabit Internet access to subscribers in MDUs as well as dense Single Family Unit (SFU) homes by leveraging

Fiber to the Home is far from the only and most efficient technology to deliver Gigabit Internet access to subscribers. Retrofitting an existing (brownfield) Multi-Dwelling Unit (MDU) with fiber is complex, highly disruptive and expensive. With the G.hn Aggregation Multiplexer (GAM), Positron Access addresses the key challenge of delivering Gigabit Internet access to subscribers in MDUs as well as dense Single Family Unit (SFU) homes by leveraging the existing telephone or coaxial infrastructure to deliver near symmetrical Gigabit services at a fraction of the cost of alternatives.

Product Features

  • Reverse Power Feed: Complies with ETSI TS 101 548 v.2.2.1 in SR3 mode
  • Power Source: Reverse Power Fed from G1001-MR or G1001-CR
  • Alternate Power Source: power connector inside the GAM-4-CRX to temporarily power the GAM device in the absence of subscribers to facilitate the initial provisioning of the GAM and to validate the uplink connection. Can also be used to power the GAM for normal operation
  • Environmental: IP-67 rated
  • Operating Temperature: -40°C to +65°C
  • Storage Temperature: -40°C to +70°C
  • Operating Humidity: Up to 95% relative, non-condensing
  • Certifications: CE Mark, FCC Part 15 Class A
  • Ports:
    (4) COAX (F-Type)
    1) SFP+: offers versatile support for Active Ethernet and for GPON, EPON, 10GEPON, NGPON2 and XGS-PON via external ONU/ONT devices
    Also compatible with 3rd party PON SFP ONT modules
  • G.hn Standards:
    G.hn Wave-2 Domain Master on all GAM ports
    Based on GigaWire Alliance specification and fully compliant with the following ITU-T standards:
  • G.9960 Amendment 2 - System Architecture and PHY Layer
    G.9961 Data Link Layer
    G.9962 Management
    G.9964 PSD
  • Ease of Deployment: Support G.hn operation over telephone wiring (1 or 2 copper pairs) and coax cabling (F-type connector)
  • Ease of Operation: Supports firmware and configuration management of G.hn end-point devices
  • Encryption: AES-128 encryption with individual keys for each end-node. The Positron GAM Master Node is also acting as the G.hn Security Controller
  • Modulation and Frequency Band:
    Supports OFDM 200 MHz. Telephone wiring supports 1 pair (Singe Input Single Output - SISO) and 2 pairs (Multiple Input Multiple Output - MIMO) per port
    Radio Band Notching function allows cohabitation with legacy analog cable TV channels on coax cabling and concurrent use with POTS and DSL on telephone pairs
  • Bandwidth Management with Dynamic Time Allocation: Up to 1.7 Gbps with Dynamic Time Allocation to optimize throughput based on nature of traffic flows with TDD Multiplexing for programmable upstream / downstream ratio
  • Vectoring (Telephone Wiring): Support for VectorBoost vectoring for FEXT (Far-End Crosstalk) mitigation and improved performance over Telephone wiring
  • Mitigation of Near-end Crosstalk: Near End Crosstalk (NEXT) Mitigation and support for Neighbor Domain Interface Mitigation (NDIM)
  • PSD: Programmable PSD mask for coexistence with xDSL / radio and Far End Crosstalk (FEXT) mitigation via VectorBoost vectoring
  • Reliability and Resiliency: State of the art LDPC Forward Error Correction (FEC)

Product Specifications

  • Layer 3 Support:
    Static routing of IPv4 unicast traffic
    Static routing of IPv6 unicast traffic
  • Secure Shell (SSH) Protocol: SSH secures Telnet traffic in and out of the switch, SSH v1, v2 are supported
  • Secure Sockets Layer (SSL): SSL encrypts the HTTP traffic, allowing advanced secure access to the browser-based management GUI in the switch
  • IEEE 802.1X:
    IEEE 802.1X: RADIUS authentication, authorization and accounting, MD5 hash, single / multiple host mode and single / multiple sessions
    Supports IGMP-RADIUS based 802.1X Dynamic VLAN assignment
  • RADIUS/ TACACS+:
    Supports RADIUS and TACACS+ authentication
    G.hn Aggregation Multiplexer acting as a RADIUS client
  • Layer 2 Isolation Private VLAN Edge (PVE): PVE (also known as protected ports) provides L2 isolation between clients in the same VLAN, supports multiple uplinks
  • IP Source Guard: Prevents datagram with spoofed addresses from being in the network
  • Storm Control: Prevents traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on a port
  • ACLs:
    Supports up to 256 entries
    Drop or rate limitation based on source and destination MAC, VLAN ID or IP address, protocol, port, differentiated services code point (DSCP) / IP precedence, TCP / UDP source and destination ports, 802.1p priority, Ethernet type, Internet Control Message
  • Protocol (ICMP) packets, IGMP packets, TCP flag
  • Hardware Priority Queue: Support 8 hardware queues per port
  • Scheduling:
    Strict priority and Weighted Round-Robin (WRR)
    Queue assignment based on DSCP and class of service (802.1p/ CoS)
  • Classification: Port based; 802.1p VLAN priority based; IPv4/IPv6 precedence/ type of service (ToS) / DSCP based; Differentiated Services (DiffServ); classification and re-marking ACLs, trusted QoS
  • Rate Limiting: Ingress policer; egress shaping and rate control; per VLAN, per port and flow based
  • IPv6 Support: Web/ SSL, Telnet/ SSH, ping, Simple Network Time Protocol (SNTP), Trivial File Transfer Protocol (TFTP), SNMP, RADIUS, Syslog, DNS Client, protocol based VLANs

 


Management

  • Web GUI Interface:
    Built-in configuration utility for browser-based device configuration (HTTP/ HTTPs).
    Supports configuration, system dashboard, maintenance and monitoring
  • Firmware Upgrade:
    Web browser upgrade (HTTP/ HTTPs) and FTP
    Secure upgrade through console port
  • Dual Firmware Image: Dual image and firmware partition provides independent primary and secondary OS files for backup while upgrading. Each firmware image has its corresponding firmware partition
  • SNMP: SNMP version1, 2c and 3 with support for traps and SNMP version 3 user-based security model (USM)
  • Remote Monitoring (RMON): Embedded RMON software agent supports RMON groups 1, 2, 3, 9 (history, statistics, alarms and events) for enhanced traffic management, monitoring and analysis
  • IPv4 and IPv6 Dual Stack: Coexistence of both protocol stacks to support a seamless migration
  • Port Mirroring: Traffic on a port can be mirrored to another port for Legal Interception (CALEA) or analysis with a network analyzer or RMON probe. Up to N-1 (N is Switch’s Ports) ports can be mirrored to single destination port. A single session is supported
  • Network Time Protocol: Network Time Protocol (NTP) for clock synchronization over packet switched networks
  • Discovery: Link Layer Discovery Protocol (LLDP) (IEEE 802.1ab) with LLDP-MED extensions
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 98328846227

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4.5 ★★★★★
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J
Verified Purchase
Jose Correa
West Palm Beach, US
★★★★★ 5
Stunning Automatic Watch With TopTier Durability and Precision
Color: Grey
“I got this Tissot PRX for my cousin’s birthday and bro fell in LOVE instantly. This thing keeps time like a beast, never slows down, never lags. Automatic movement, so no batteries, no drama. Durability? Stupid good. You can hit it, bump it, live life rough, it still looks box fresh. Size wise it was almost perfect. I just had to remove two links, nothing big. It’s light, functional, comfortable, doesn’t weigh you down, doesn’t get in the way but more importantly I can say this watch is in everyone’s eyesight when we wear it. Cause of course I had to get another one! Basically. I gave him a very nice piece as a gift, and now he’s walking around like he owns Switzerland.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
C
Verified Purchase
Cienfuegos
Fort Morgan, US
★★★★★ 5
Great watch!!!!
Color: Grey
Excellent quality, one of the best, elegant.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
T
Verified Purchase
T. H.
Waukegan, US
★★★★★ 5
Excellent value for an automatic watch, keeps VERY good time.
Color: Grey, Color: Grey
I've only had the watch for a day but wanted to leave a quick review on it to share a couple of notes. So far it keeps VERY good time, better than any of the automatics I own (including a Rolex Submariner, Tag Heuer Aquaracer, Tag Heuer Formula One, and several other sub $1k watches). I set it to an atomic time app on my phone yesterday and 24 hours later it's still SPOT on - hasn't gained/lost even a 1/10 of a second. I was shocked to see it's kept PERFECT time for the last day, I'm really blown away so far. I've worn it the entire time, we'll see how well it keeps time while being stored in a winder. This picture shown is the watch with a 22mm leather band on it, fit's without any issues (just need to squeeze in the leather a tad). I doubt it would work with a 22mm metal bracelet, but leather works great. Just FYI since the 21mm lug width is kind of odd. The face isn't quite a lustrious as the images make it look, but it's still a great-looking watch. For a sub $1000 automatic you can't go wrong, this is a fantastic watch at a great price. It'll be my daily driver for some time I'm sure. If I have any issues in the future I'll update the review.
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Reviewed in the United States on March 22, 2021
B
Verified Purchase
Beniamin Grigoryan
Bozeman, US
★★★★★ 5
It looks really cool and striking.
Color: Grey, Color: Grey
Really cool and beautiful watch. Although my specific unit runs 5 seconds fast every day—at first it’s annoying, but eventually you stop caring. 🤣
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Reviewed in the United States on April 16, 2026
P
Verified Purchase
Paul Andreini
New York, US
★★★★★ 5
A Beautiful Timepiece at an Awesome Price!!
Color: Grey, Color: Grey
I have lusted after this watch for four months. I first tried on a similar model (stainless steel band with a green face) in a local jewelry shop (Spitz Jewlers, Walnut Creek, CA, USA). It was "love at first sight," even if I didn't love the white lines on the face from 12-6 and 3-9. At the time, the MSRP was $775. The MSRP has since increased to $795. But I bought this beauty on Amazon.com for only $524.99; after applying the cash-back from my Prime credit card, this watch costs only $498.75. This was "the offer that I could not refuse," to quote from "The Godfather." Accuracy could be better: after only a few days, it is now 7 seconds behind my phone (to which I set my new watch). But I don't really care about that all that much. This is why I rated "accuracy" at 4 stars, but my overall review is 5 stars. My video shows the date changing suddenly at 11:59:59pm, just how I want it; in another photo, you can see that my Seiko changes the date more slowly, which I do not like. This watch is absolutely phenomenally beautiful. If you're on the fence over whether to make this purchase, then I would say "go for it!" You will not find a prettier, more accurate watch at a lower price in ANY store in the entire USA.
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Reviewed in the United States on April 28, 2023

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