Blog 2026-07-29
Core Issue: WiFi 6 industrial wireless bridges YNW 5-20ax and YNW 5-23ax share the same 802.11ax core platform. The antenna gain differs by only 3dBi (20dBi vs 23dBi), yet the 5-23ax delivers 19% more range and 50-100% higher long-distance throughput with its 6° ultra-narrow beam, while the 5-20ax’s 16° wider beam makes installation easier and tolerates wind sway better.
Who This Is For: Industrial wireless network planning engineers, IT managers deploying gigabit-class wireless links, and decision-makers evaluating campus network and surveillance backhaul projects.
Key Conclusions: Both units share the same dual-core CPU, 2.5G port, 802.11ax radio, and management system — the only difference is the antenna gain and beamwidth. For links under 5km, the 5-20ax offers the best value. For 5-10km links with interference, go with the 5-23ax. For 10-15km long-range links, only the 5-23ax is viable.

| Antenna Parameter | YNW 5-20ax | YNW 5-23ax |
|---|---|---|
| Antenna Type | Integrated dual-pol panel antenna | Integrated dual-pol panel antenna |
| Antenna Gain | 20 dBi | 23 dBi |
| Frequency Range | 5.1-5.9 GHz | 5.1-5.9 GHz |
| Polarization | Dual linear | Dual linear |
| Cross-Pol Isolation | >25 dBi | >27 dBi |
| VSWR | <1.8 | <1.7 |
| Horizontal Beamwidth (H-pol) | 16° | 6° |
| Horizontal Beamwidth (V-pol) | 16° | 7° |
| Vertical Beamwidth | 16° | 9° |
A 3dBi gain difference (23 vs 20) means the 5-23ax puts out 3dB more EIRP given the same transmit power. In wireless engineering, 3dB is a key threshold — it’s equivalent to doubling the transmit power or doubling the received signal strength.
Range formula: At the same throughput level, the 5-23ax reaches roughly 19% farther than the 5-20ax.
But in real-world deployments, what matters more is how fast each unit can go at a given distance:
| Distance | 5-20ax Expected Rate | 5-23ax Expected Rate | Difference |
|---|---|---|---|
| 2km (sweet spot) | 1.5 Gbps (160MHz) | 1.5 Gbps (160MHz) | None |
| 5km | 800-1,200 Mbps | 1.2-1.5 Gbps | 5-23ax is 30-50% higher |
| 10km | 300-600 Mbps | 600-1,000 Mbps | 5-23ax is 50-100% higher |
| 15km | Link may be unreliable | 300-600 Mbps | 5-20ax may not link at all |
| Real-World Implication | 5-20ax (16°) | 5-23ax (6°-9°) |
|---|---|---|
| Beam coverage diameter at 10km | ~2.8km | ~1.0-1.6km |
| Alignment precision needed | Moderate (±8°) | High (±3°-4°) |
| Wind sway tolerance | High | Low |
| Interference rejection | Moderate | Strong (narrow beam suppresses sidelobe interference) |
The 5-23ax’s 6° ultra-narrow beam gives it a clear advantage in noisy RF environments, but the alignment precision required during installation is correspondingly higher.

Both units support the same rate table:
| MCS | Modulation | Coding Rate | Data Rate (Mbps) |
|---|---|---|---|
| 11 | 1024-QAM | 5/6 | 2402 |
| 10 | 1024-QAM | 3/4 | 2161 |
| 9 | 1024-QAM | 2/3 | 1921 |
| 8 | 256-QAM | 5/6 | 1729 |
| 7 | 256-QAM | 3/4 | 1441 |
| 6 | 256-QAM | 2/3 | 1297 |
| 5 | 64-QAM | 5/6 | 1152 |
| 4 | 64-QAM | 3/4 | 864 |
| 3 | 64-QAM | 2/3 | 576 |
| 2 | 16-QAM | 3/4 | 432 |
| 1 | QPSK | 1/2 | 288 |
| 0 | BPSK | 1/2 | 144 |
| MCS | Modulation | Coding Rate | Data Rate (Mbps) |
|---|---|---|---|
| 11 | 1024-QAM | 5/6 | 1201 |
| 10 | 1024-QAM | 3/4 | 1080 |
| 0 | BPSK | 1/2 | 72 |
Real-world throughput expectation: Actual TCP throughput typically runs 65-75% of the PHY rate. So a device rated at 1.5Gbps will deliver roughly 1,000-1,100 Mbps in practice — already past the theoretical limit of a 1Gbps Ethernet port (~940Mbps). That’s exactly why the 2.5Gbps port is necessary.
At the ideal 2km range: the 5-20ax covers roughly 560m in diameter, the 5-23ax covers about 210m. Both can establish a link with rough aiming, and actual throughput hits the full 1.5Gbps negotiated rate on both.
The 5-20ax (16°) beam covers ~2.8km diameter, the 5-23ax (6°-7°) covers ~1.0-1.2km. Still within alignment tolerance, but the 5-23ax requires using the device’s RSSI indicator to fine-tune the aim.
The 5-20ax (16°) beam covers ~4.2km diameter, the 5-23ax (6°-7°) covers ~1.6-1.8km. At this distance, the 5-20ax struggles to maintain high throughput (not enough link margin), while the 5-23ax can still deliver a usable 300-600Mbps. But alignment has to be spot-on — a 1° horizontal error translates to roughly 260 meters of offset at the far end.
| Installation Aspect | 5-20ax | 5-23ax |
|---|---|---|
| Recommended range | <10km | <15km |
| Alignment tools | Compass + RSSI LEDs | Compass + RSSI LEDs + may need binoculars |
| Wind sway impact | 16° wide beam, very tolerant | 6° narrow beam, needs rigid mounting |
| Install time | 10-20 minutes | 15-30 minutes |
| Skill level needed | General network engineer | Engineer with RF experience |
The two units are identical in power delivery:
Power chain: Switch/Router → 2.5G PoE input (802.3at 55VDC) → Device operation → PoE output to camera/sensor (802.3af/at, up to 13W).
| Operating Mode | Device Power | PoE Output Power | Total Power |
|---|---|---|---|
| Bridge only | 15W | 0W | 15W |
| With one PoE camera | 15W | 7-10W | 22-25W |
| With two PoE devices (needs PoE switch relay) | 15W | 13W (max) | 28W |
| Full load | 17W | 13W | 30W |
Solar compatibility: Both units draw just 15W in bridge mode, and the PoE input accepts a wide voltage range (42-57VDC), making them a good fit for solar-powered sites. A 200W solar panel paired with a 200AH battery can keep the system running 24/7.
Operating modes: Bridge (Layer 2 transparent), IPv4 routing, IPv6 routing.
Wireless features: Up to 8 SSIDs per radio, VLAN (802.1q) and QnQ (QinQ) support, data VLAN / management VLAN separation.
Security: WPA/WPA2/WPA3 Personal, WPA/WPA2/WPA3 Enterprise (802.1X), WACL (wireless access control list), client isolation.
Operations tools: Site Survey, Spectrum Analyzer, Ping / Traceroute, L3/L4 Packet Analyzer, remote configuration via 2.4GHz management radio.
Management: Web GUI (HTTP/HTTPS), SNMP v1/v2c/v3, Syslog, Infinity Controller (centralized management platform).
| Project Requirement | Recommended Model | Reason |
|---|---|---|
| Sweet spot under 2km, need full 1.5Gbps | Either | Shorter distance = smaller difference |
| 5-10km range, need 500Mbps+ guaranteed | 5-23ax | Higher gain sustains higher modulation |
| 10-15km range, need 300Mbps+ | 5-23ax | 5-20ax is near its limit at this range |
| First-time installer, limited experience | 5-20ax | 16° wide beam is much easier to align |
| High-wind environment, tower may sway | 5-20ax | Wide beam tolerates wind-induced movement |
| Heavily congested RF environment | 5-23ax | 6° narrow beam naturally rejects sidelobe interference |
| Camera needs front-end power | Either | PoE passthrough is identical on both |
| Cost-sensitive project | 5-20ax | Typically lower price point |
| Needs backward compatibility with older YNW gear | Either | Compatible with all YNW n/ac series |
| Factor | 5-20ax | 5-23ax | Recommendation |
|---|---|---|---|
| Unit price | Lower | Higher (high-gain antenna) | Price gap typically 10-20% |
| ≤5km deployment | Best value | Overkill | Go with 5-20ax |
| 5-10km deployment | Adequate | Ample | Budget-dependent |
| 10-15km deployment | Insufficient | Adequate | Go with 5-23ax |
| >15km deployment | Not recommended | Possible (with external antenna) | 5-23ax + external antenna |
When used as client devices, the YNW 5-20ax and 5-23ax work with the following base stations:
The YNW 5ax series is backward compatible with all YNW legacy devices (in WiFi mode). This means you can swap out an older YNW 5-20 or YNW 5-23 client on an existing link and upgrade throughput from 300-500Mbps to 1.5Gbps without touching the rest of the infrastructure.
The YNW 5-20ax and YNW 5-23ax are the two main point-to-point models in YNWMICRO’s WiFi 6 industrial wireless bridge lineup. Both share the same dual-core processor, 2.5G port, 802.11ax radio, and management system — the only difference is antenna gain and beamwidth.
Simplified selection guide:
For a complete look at rural broadband and multi-building campus connectivity, check out Rural Last-Mile Broadband & Campus Multi-Building Connectivity.
This article is based on YNWMICRO official product data. Always run a link budget calculation before making final equipment selections for your specific deployment.
The two units share the exact same core hardware platform — dual-core CPU, 802.11ax radio, 2.5G wired port, IP67 rating — both rated at 1.5Gbps max throughput. The only difference is the antenna system: the YNW 5-20ax has a 20dBi integrated antenna with a 16° beamwidth; the YNW 5-23ax has a 23dBi integrated antenna with a 6° ultra-narrow beam. That 3dBi gain difference gives the 5-23ax roughly 19% more range and 50-100% higher throughput at 10km. But the 5-20ax’s 16° wider beam is simpler to install and much more tolerant of wind sway.
The 1.5Gbps figure is the PHY layer rate. After accounting for protocol overhead (MAC framing, ACKs, inter-frame spacing — roughly 20-30% overhead), real-world TCP throughput lands around 1,000-1,100 Mbps, and UDP throughput around 1,200-1,300 Mbps. That already exceeds the theoretical limit of a 1Gbps Ethernet port (~940Mbps), which is exactly why the 2.5Gbps port is included. At 5km range, the 5-23ax typically negotiates around 1.2-1.5Gbps PHY, delivering roughly 800-1,000 Mbps TCP in practice.
For high-wind sites, the YNW 5-20ax is strongly recommended. Its 16° beamwidth is roughly 2.7x wider than the 5-23ax’s 6° beam, giving a coverage diameter of about 2.8km at 10km range (vs. 1.0-1.2km for the 5-23ax). This means when the tower sways in strong wind, the 5-20ax’s signal fluctuates far less. If you must use the 5-23ax in a windy location, use a reinforced mounting bracket with guy wires. Installation time runs 10-20 minutes for the 5-20ax vs. 15-30 minutes for the 5-23ax, which requires finer alignment.
At 10km, the YNW 5-20ax delivers an estimated 300-600 Mbps (UDP), while the YNW 5-23ax delivers 600-1,000 Mbps (UDP) — the 5-23ax is 50-100% faster. At 15km, the 5-20ax link may be unreliable or may not establish at all, while the 5-23ax can still maintain a usable 300-600 Mbps (UDP). For any deployment beyond 10km, prioritize the YNW 5-23ax. For links under 5km, both models hit full 1.5Gbps, so choose the 5-20ax for better value.