MikroTik Chateau LTE7 ax Tutorial (Wi-Fi 6 with LTE Cat7)

1. Modern MikroTik Device Architecture Concept (AX / LTE / WiFi 7)

Example devices such as the MikroTik Chateau LTE7 ax combine 3 main systems:

• RouterOS v7 (routing + firewall + NAT)
• WiFi 6 (802.11ax / later WiFi 7)
• LTE modem Cat7 (R11e-LTE7)

👉 This means optimization must be separated into 3 layers:

• LTE (signal & bands)
• Routing (QoS & NAT)
• WiFi (channel & airtime)

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2. Correct Initial Setup (required before tuning)

A. Firmware upgrade

In WinBox / WebFig:

System → Packages → Check Updates

Ensure:

• Latest stable RouterOS (v7.15+ recommended)
• LTE modem firmware is also updated

Why it matters?

• AX + LTE modems are very sensitive to firmware bugs
• Many packet loss cases come from outdated firmware

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B. Basic LTE WAN configuration

Menu:

/interface lte apn

Set operator APN:

APN according to ISP (Telkomsel / XL / Indosat)

Example:

apn: internet
use-network-apn: yes

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3. LTE Cat7 Optimization (most important part)

A. LTE band locking (stability)

Use:

/interface lte at-chat lte1 input="AT+QCFG="band""

Or via:

Interface LTE → Bands

Band strategy:

👉 Cat7 supports CA (Carrier Aggregation), but:

• CA is not always more stable
• Poor signal → better use single band

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B. Ideal LTE signal targets

Use LTE Tools:

• RSRP: -70 to -90 dBm (good)
• RSRQ: > -10 (good)
• SINR: > 10 dB (stable)

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C. Router placement tips

• Near a window (not ground floor)
• Avoid thick concrete walls
• Point toward the BTS (use NetMonster / LTE tools)

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4. External LTE Antenna (correct usage)

A. Important: Chateau LTE7 ax already uses internal MIMO

But external antenna is only effective if:

• Indoor signal is poor (< -100 dBm)
• BTS is far away
• High noise (bad RSRQ)

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B. Correct antenna type

Use:

• Directional MIMO LTE antenna (2x2)
• Gain 8–15 dBi
• Frequency support 700–2600 MHz

❌ Avoid:

• WiFi antennas used for LTE
• Cheap “all band” antennas with unclear specs

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C. MikroTik external antenna setting

Some LTE modems:

/interface lte set lte1 external-antenna=both

or:

auto
internal
external

👉 If signal gets worse after installing antenna:

• It indicates mismatch (polarization / antenna quality)

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5. WiFi 6 Optimization (AX tuning)

A. Use full AX mode

Interface settings:

Mode: AP

Band:

• 5 GHz → AX only (if all devices support it)
• 2.4 GHz → AX/AC/N mixed

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B. Channel width optimization

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C. Channel selection

• 5 GHz → use DFS channels if crowded
• Avoid auto if interference is frequent

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D. Security (important for AX performance)

• WPA2/WPA3 mixed
• Disable legacy TKIP

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6. CPU & Routing Optimization (RouterOS v7 important)

A. Enable FastTrack

/ip firewall filter

Ensure rule:

fasttrack connection

This improves:

• LTE throughput
• Gaming latency

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B. DNS cache

Use:

• 1.1.1.1
• 8.8.8.8

Enable:

allow-remote-requests=yes

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7. Simple QoS (for LTE stability)

If LTE is unstable or laggy:

Use Simple Queue:

• Limit upload slightly below real speed (90%)

Example:

100 Mbps LTE → set 90 Mbps

👉 This prevents bufferbloat

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8. Common Troubleshooting (Chateau LTE7 ax)

Problem 1: Internet keeps disconnecting

• Check low SINR
• Change LTE band
• Update modem firmware

Problem 2: WiFi slow but LTE fast

• Channel interference
• 2.4 GHz congestion
• Use 5 GHz AX

Problem 3: LTE packet loss

• Overloaded BTS
• CA active but weak signal
• Antenna mismatch

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9. Future MikroTik WiFi 7 Devices (concept)

Same principles, differences:

• WiFi 7 → 320 MHz channels
• Multi-Link Operation (MLO)
• More sensitive to interference

👉 Still requires:

• Clean channels
• DFS usage
• Avoid full auto channel

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Quick Conclusion

For MikroTik Chateau LTE7 ax:

• LTE = most important (band + signal + antenna)
• WiFi = second (channel & width)
• Routing = stability (FastTrack + DNS + queue)