AltoPlex C420
60 GHz Outdoor Wireless Extended Range Client
The C420 is a 60 GHz radio with integrated 128-element beamforming antenna that enables the quick and easy installation of reliable, gigabit connections, all in a cost-effective and compact form factor.
The C420 is carrier-grade, manufactured in the USA and features IP67 weather-sealing for reliable operation outdoors and in harsh environments. It is ideally suited as a client for enterprise and residential gigabit access applications.

High Capacity
Up to 2 Gbps aggregate Layer 2 throughput
Low Latency
Sub 1 ms latency
Adaptive Beamforming
128-element, phased array, beamforming antenna with 90° azimuth and 40° elevation scanning for maximum link resiliency and 2 Gbps ranges up to 400m (1,312 ft)
Gigabit Ethernet
Built-in gigabit RJ45 port
GPS Location
Easily locate the radio using the integrated GPS receiver.
Dense Network Ready
60 GHz spectrum with beamforming and TDMA for extremely reliable dense networks
Security
AES-128 encryption with automatic secure key distribution
Carrier-Grade
IP67 rated enclosure and built in USA for reliable, long-term operation in the field
Simple and Rapid Installation
Altowav’s antennas auto-align for easy installs. Our Open API and native Layer 2 architecture enable easy integration into operators’ existing networks
Specifications
System
| Radio Technology | 802.11ay-based chipset with Altowav TDMA air interface |
| Configuration | Client (Point-to-Point or Point-to-Multipoint) |
| Frequencies | 57 to 66 GHz |
| Channel Bandwidth | 2.16 GHz |
| Channel Access | TDMA/TDD with reserved per-client time slots |
| Network Synchronization | GPS-disciplined TDD timing across sectors and sites; clients synchronized over the air |
| Modulation and Coding Schemes | 12 levels, adaptive, MCS-1 (BPSK) to MCS-12 (16QAM) |
| Antenna | Integrated 128-element beamforming antenna with wide scanning range: 90° azimuth, 40° elevation |
| Maximum EIRP | 40 dBm |
| Range | Up to 325m (1,066 ft) at 2 Gbps |
| Capacity | Up to 2 Gbps aggregate Layer 2 throughput on a single 2.16 GHz channel |
| Ethernet Frame Type | Transparent bridging of all Ethernet types including VLAN and VLAN stacking |
| Latency | < 1 ms |
| L2 Switching | Complete Layer 2 switching, including VLAN support |
| Spanning Tree | RSTP (IEEE 802.1w) for ring and redundant-path protection |
| Security | AES-128 |
| GPS | Integrated GPS receiver to identify and locate individual radios |
Connectivity
| Ethernet | 1 x 1 GbE RJ45 |
| Voltage | 56 VDC |
| PoE Input | 802.3af |
| Power Consumption | 11 W maximum |
Management
| Management | Web GUI, CLI, and REST API |
Mechanical
| Dimensions (H x W x D) |
150 x 95 x 35 mm (5.9″ x 3.7″ x 1.4″) |
| Weight | 400 g (14 oz) |
| Operating Temperature | -30° to +55°C (-22° to +131°F) |
| Casing | Die-cast powder-coated aluminum chassis with PC-ABS radome |
| Ingress Protection | IP67 |
| Regulatory | FCC, ISED, CE |
| ESD | EN 61000-4-2 |
| EMC | EN 61000-4-3 |
| Radio | ETSI EN 303 722-V1.2.1, EN 300 328-V2.2.2, EN 303 413-V1.2.1 |
| Mounting | Integrated wall and pole mount supporting .5″ band clamps. Additional mounting accessories supporting elevation adjustment are available. |
Model Number
| AW3-C420-C-PW | C420 60 GHz Extended Range Client Radio |
Included Accessories
| AX-P-IN-AF-1G-US | Indoor 802.3af (15 W) 1 GbE PoE injector with 0.8m US power cord |
Distribution Unit
| AW3-D621-C-W | D621 60 GHz Network Distribution/High-Capacity Client Radio |
Accessories
| AX-AW3-MT-WALL | Wall standoff bracket that enables azimuth adjustment |
| AX-AW3-EXT-MOUNT | Extended range pole mounting kit for AltoPlex radios, enabling up to +60/-45° elevation adjustment |