SKU: 42025640257

Positron MRX Outdoor 4-Port Twisted Pair MIMO G.hn Access Multiplexer with Reverse Power Feed

Sale price$818.98 Regular price$909.98
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Description

Positron MRX Outdoor 4-Port Twisted Pair MIMO 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) MIMO (MIMO-Copper)
    (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 200MHz. 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

Product Includes
(1) GAM-4-MRX Multiplexer

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: 42025640257

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4.2 ★★★★★
Based on 29 reviews
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Product Reviews
T
Verified Purchase
Toni L
New York, US
★★★★★ 4
Very good frother that gets the job done extreamly well
Color: White
I hvae used this frother primarily for smoothies and coffees. Each time, it does a wonderful job. Deducted a star for the location of the speed control which is ontop of the device. It's akward to use one handed while attempting to control the speed, athough it's advertised as making it easier. It's not!
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Reviewed in the United States on November 27, 2025
J
Verified Purchase
JD
Lowell, US
★★★★★ 5
Good quality
Color: Black
Have used the frother 5 days in a row. It comes already charged. Fingers crossed no issues when I eventually have to charge it. I love everything about it. It’s worth a little bit of extra money as you can control the blending power from slow to fast. Easily held with both hands to coordinate. Today for a change I elected to just add a touch of bourbon caramel syrup to my oat milk -an excellent choice! They give you two attachments which is helpful. I’m not hard on my kitchen appliances but it’s good to know I have an immediate back up if needed. I rinse frother attachment out immediately in a cup of warm water and air dry on a towel. At this point, I highly recommend. My next adventure in the kitchen will be Matcha tea. I will use the bamboo whisk for the actual tea. If I decide to add oat milk to the top,(such as for a cold latte) I will use this frother.
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Reviewed in the United States on June 4, 2026
I
Verified Purchase
Izzy
Fort Morgan, US
★★★★★ 5
Higher quality then I expect, very satisfied
Color: Gray
High quality overall, very high powered. It looks really fancy and elegant. The adjustable speed knob on the top is really great. The stand looks really nice but isn't the best design because it is easy to knock over when you take it out, that's my only issue with it.
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Reviewed in the United States on May 26, 2026
H
Verified Purchase
Hanna
Lexington, US
★★★★★ 5
Still The Best Frother Ever!
Color: Black
I love how it is easy to use, how it holds a charge, and how much power it has. I've only charged it once since I got it & I've been using it on a daily basis!!! Though it isn't a long time, I'm happy with it so far! I definitely will recommend it to anyone looking for a great frother. If you are looking for one, look no further! You won't be disappointed! I've read some comments where they found it to be too strong that their drink spilled everywhere. But for me I have not had any incident of spilling over. I have used it both for my coffee and my matcha tea and it worked great without any spilling over. You just have to start with the lowest power and ensure that you have a large enough container to have a room for your frothing. My sister tried to use it recently during her visit to make us matcha tea. However, she experienced spillage all over the cup, because she had used a small cup. Otherwise, she liked it very much and said she will get one when her battery operated one stops working... Another thing I like about the product was the customer service that I had received. When I got my first order which came quickly, it wasn't working after having charged it over 24 hours. It was not turning on at all. I returned it and ordered a replacement which I received within a day or two. This time after charging it for the recommended amount of time, I was a bit skeptical when I turned it on. However, I was pleasantly surprised that it worked like it was supposed to and it has been working ever since having charged it only once so far. I may come back and give an update depending on how it does after 6 months of use, so keep in tune... I don't know if there is a way to write a new entry as a follow up to the old entry, so I'm going to add my follow up comment over here. May 23, 2025 - I love my frother more than I can say in words. It's functionality has not changed a bit from the time I have purchased it. It charge lasts several weeks to few months before I charge it again and the power is still the same. Recently I decided to buy another one for my office use. I like the white color and so tried it but that one wouldn't even turn on. And then I got a gray one to have a different color. That one was much weaker than the black one I own. Then I replaced it with another gray one within few days. I tried it and it was exactly the same as the one I already replaced. So then I decided to go with a black one again hoping that it would be the same as the one I have. The black one did much better than the gray ones in the strength or power of the frother. However, it is weaker than the one I already have been using since last August. While I am not very happy with the quality being inconsistent in all of the ones I have tried including the recent pictures of the black one, I have decided to keep the black one because it is relatively better than the gray ones I tried. What I don't understand is why there is inconsistency in the quality of the same product by the same maker. I am beginning to wonder if the black one I purchased in Augusta last year was anomaly of a quality and a good way. Maybe I lucked out on my older black frother, but I'm unsure if quality is going to get better if I were to order another one. I have a sister who is a pro in making coffee drinks and she was the reason I had ordered this frother to begin with. She uses a battery operated one at this time and I have been thinking about getting her one like mine. While I am still skeptical, I am going to give it a shot and order her one sometime soon. If it doesn't work, I guess we will return it back. But one thing that I am grateful is that I have been able to return every one of those that I have tried recently with no issues. I hope that I don't have to return my most recent purchase in black. I was not even able to review the new purchase because of the item being the same color which is crazy.
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Reviewed in the United States on September 8, 2024
R
Verified Purchase
R. Cordosi
Carnegie, US
★★★★★ 5
Outstanding Frother!
Color: Space Gray
Exceptional! This frother is in another league compared to the cheapo push button frothers. The motor is smooth, quiet and powerful. This has an intuitive thumb dial on top that operates smoothly with a wide range of smooth speed adjustment. It’s gentle enough to froth a little bit of milk for a macchiato and powerful enough to scramble 3 eggs. The head is removable for easy cleaning. It’s also rechargeable. I charged this the day I bought it on April first. I use it at least twice a day. It’s September 26th today and I have yet to recharge it and it’s not showing any signs of needing a charge. One minor quibble is that they give you 2 of the same frother heads. They are built so well, that I don’t imagine it ever wearing out. It would have been nice to get a whisk or something different. Not a deal breaker at all though.
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Reviewed in the United States on September 26, 2025

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