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Nearest engineer: Huangpu Xuhui Changning Jing'an Putuo Hongkou Yangpu Minhang Baoshan Jiading Pudong Jinshan Songjiang Qingpu Fengxian Chongming
Xuhui · Longhua · nearest engineer

Wireless Coverage around Longhua

Xuhui, Xuhui, Longhua. Signal measured before any AP is mounted, one SSID across the whole site — describe what you see and we send the nearest engineer. We arrive with tools and common spare parts, diagnose first and quote before we touch anything.

Book a visit 178-8794-2669
2002since 2002
30 minfastest arrival
¥0on-site diagnosis
90 daysrepair warranty
Straight answers

The things people worry about, answered first

Paying is fine. Not knowing what you are paying for is not. This is how we have always worked.

1
Worried about unclear scope and cheap materialsEvery quote lists brand, model and quantity, agreed before work starts.
2
Worried the price rises halfway throughA fixed price once the scope is agreed. Any change you ask for is quoted first.
3
Worried the work will drag onThe completion date is written into the contract, and we work outside your hours.
4
Worried nobody will come back afterwardsProjects carry a one-year workmanship warranty; faults are handled free.
What we do

What we fix at Longhua

Site Survey

Site Survey

Heat map · Interference · Channel plan · AP count · Cabling routes · Report

A real survey with a heat map, so APs are placed where the walls actually block.

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AP Deployment

AP Deployment

Ceiling APs · Wall APs · Outdoor APs · PoE · Placement · Mounting

APs mounted where the survey says they work, with PoE cabled back to the cabinet.

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Guest Network

Guest Network

Separate SSID · Bandwidth limit · Access control · Captive portal · Isolation · Usage report

A separate guest network isolated from your own, with bandwidth limits and access control.

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Security

Security

WPA2 / WPA3 · Unknown devices · Access control · Firmware · Audit · Rogue AP detection

Unknown devices locked out, encryption and firmware brought up to date.

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Common problems

Know what is wrong before you talk about the price

Dead spots

Rooms with no signal at all

Signal mapped room by room, then APs placed where the walls actually block.

Calls dropping

Wi-Fi calls cut out when moving

Roaming tuned with one SSID and proper handover, so you can walk and talk.

Warehouse scanners

Handhelds losing connection between aisles

Industrial APs surveyed for racking and ceiling height, then roaming tuned.

Guest access

Visitors on the same network as the office

A separate guest SSID, isolated, bandwidth-limited and access controlled.

Outdoor areas

Yard or terrace with no coverage

Weatherproof outdoor APs placed and cabled for the areas you actually use.

Too many APs

APs fighting each other

Channel plan and power levels set so the APs cooperate instead of interfering.

Price guide

Free site survey and a fixed written quote

Final cost follows the survey and the agreed scope

✓On-site diagnosis free, no call-out fee ✓Quoted before any work, price does not move ✓Nothing to pay unless it is fixed
ItemGuide priceNote
Site survey and heat mapFreeOn-site survey, heat map and AP plan
AP supplied and installedPer APAP, PoE cabling, mounting and configuration
Roaming configurationIncludedOne SSID, band steering and handover tuning
Guest network setupQuotedSeparate SSID, isolation and bandwidth limits
Outdoor APPer APWeatherproof AP, cabling and placement
Post-install verificationIncludedRe-measured, comparison report handed over
How it works

From the first call to paying, four steps

Site survey and scope

We walk the site, count the points and agree the scope in writing.

Scheduled installation

Work runs to an agreed schedule, outside your business hours if needed.

Testing and handover

Every point is tested and labelled. You get the as-built drawing.

One-year workmanship warranty

Non-human faults inside 12 months are fixed free of charge.

Recent jobs

Recent jobs around Xuhui

Real call-outs in this area

Villa · Xujing
Villa · Xujing

Three floors, usable Wi-Fi in one room

Surveyed, four APs placed, one SSID with roaming tuned.

Seamless on every floor
Warehouse · Qingpu
Warehouse · Qingpu

Handheld scanners dropping between aisles

Industrial APs surveyed for racking height, roaming tuned for the scanners.

Scanners hold connection everywhere
Office · Changning
Office · Changning

Wi-Fi unusable in meeting rooms

Heat map found concrete cores. APs added and the channel plan rebuilt.

Calls hold all day
FAQ

Questions about our visits to Longhua

Is there wireless coverage near Longhua?

Yes. Longhua sits inside Xuhui, which our engineers cover daily. On-site diagnosis is free, the quote is itemised, and nothing starts until you approve it.

Is the survey free?

Yes. We survey and produce a heat map before recommending any APs.

How quickly can an engineer reach Longhua?

Often the same day, and within about 30 minutes when an engineer is already nearby. We confirm a time window before you book, so you are not left waiting at home.

What warranty do you give?

One year on workmanship. Non-human faults inside that period are handled free.

Book online

Leave your details, we call back within 30 minutes

Tell us what is wrong and when suits you. We diagnose first, quote second, and only start once you say go.

Book an on-site visit

We reply within 30 minutes. No obligation.

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Wi-Fi not reaching every room?

Free site survey · measured before and after · one-year warranty

178-8794-2669

Prefer to type? Tap WeChat above to copy our ID, then message us in English — we usually reply within 30 minutes.

Coverage nearby

We also cover Xuhui and nearby

Communities and streets in the same area, all as easy to reach

CaohejingResidential Fenglin RoadResidential Fenglinlu SubdistrictResidential Hongmeilu SubdistrictResidential Hunanlu SubdistrictResidential Tianlin SubdistrictResidential Tianpinglu SubdistrictResidential Xietulu SubdistrictResidential XujiahuiResidential Xujiahui SubdistrictResidential
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