Solution by Product · Restaurant Calling

How many call buttons, and will the signal reach?

A calling system either transforms table service or gets switched off in a week[cite: 7]. The difference is almost always signal range and who carries the receiver[cite: 7]. This page shows you how to size it and the six mistakes that make staff ignore it[cite: 7].

Step 1 · Sizing

Table & receiver calculator

Enter your numbers[cite: 7]. Results update as you type[cite: 7].

Calling system calculatorIndicative sizing — our engineers confirm on site survey
Each wears their own receiver
Walls absorb signal
Call buttons—
Receivers—
Repeaters—
Realistic range—

One receiver per server: shared pagers are the most common reason these systems get abandoned[cite: 7].

The advertised range is measured in open air with line of sight[cite: 7]. A transmitter rated at 300 metres will manage 30–50 metres through concrete walls, and less across floors[cite: 7]. Change the construction selector above and watch the realistic figure collapse[cite: 7]. Range failure is why most calling systems get abandoned — a button that works at table 4 and not at table 22 destroys staff confidence in the whole system within days[cite: 7].
Step 2 · Scope

What a complete system actually includes

The headline product is rarely more than half the installed cost[cite: 7]. These are the parts that get left out of budgets[cite: 7].

RequiredTable call buttons

One per table[cite: 7]. Battery powered, usually 2–3 years on a coin cell[cite: 7].

RequiredReceiver

Wrist pager, handheld, or wall display[cite: 7]. Determines who actually gets the call[cite: 7].

RequiredWall display

Shows the calling table number to the whole floor team[cite: 7]. Useful even when staff carry pagers[cite: 7].

OptionalSignal repeater

Extends coverage through concrete or across floors[cite: 7]. Most multi-room venues need at least one[cite: 7].

OptionalMulti-key buttons

Separate keys for waiter, bill and water[cite: 7]. Reduces trips per table[cite: 7].

OptionalKitchen-to-service caller

Kitchen signals that food is ready[cite: 7]. Often more valuable than the table buttons[cite: 7].

OptionalCashier / manager call

Escalation button for complaints and card problems[cite: 7].

OptionalCharging dock for pagers

Pagers that are not charged are pagers nobody carries[cite: 7].

Step 3 · Selection

Which type is right for you

The honest trade-offs[cite: 7].

ConsiderationWall Display OnlyWrist PagerHandheld ReceiverDisplay + Pager
Staff must look upYesNoNoNo
Works when staff are in the kitchenNoYesYesYes
Whole team sees the callYesNoNoYes
Needs chargingNoYesYesYes
Gets lost or left behindNoYesYesPartly
Best forSmall open caféFast service, large floorSupervisorMost restaurants
Relative costLowestModerateModerateHigher
Display plus pagers is the combination that actually gets used[cite: 7]. A display alone means calls are missed whenever nobody is looking at it[cite: 7]. Pagers alone mean the team cannot see the whole picture and calls get double-served or dropped when a pager is left on a charger[cite: 7]. Together, the display gives the floor awareness and the pager guarantees someone knows[cite: 7].
Step 4 · Site readiness

What your building needs before installation

Walk the floor with a test transmitter. This is the only reliable way to know real range[cite: 7]. Test the furthest table, the far corner, and behind the kitchen wall[cite: 7].

Identify concrete and steel. Lift shafts, structural columns and steel mezzanines block signal locally[cite: 7]. A dead zone is usually a wall, not a fault[cite: 7].

Decide who carries a receiver. If nobody owns it, nobody carries it[cite: 7]. Assign per shift, with a charging dock at the pass[cite: 7].

Wall display sight lines. It must be visible from the service area and the pass, not only from the dining room[cite: 7].

Button mounting. Under-table fixing survives longer than a loose unit on the table[cite: 7]. Loose buttons walk out of the building[cite: 7].

Multi-floor needs repeaters. Wireless does not travel well between concrete floors[cite: 7]. Plan a repeater per floor or a receiver per floor[cite: 7].

Step 5 · Running cost

What it costs after you buy it

Batteries in the call buttons last two to three years on typical use[cite: 7]. Across 30 tables that is a low but recurring cost, and a dead button looks like a system fault to staff[cite: 7].

Pager batteries need daily charging. This is an operational habit more than a cost, and it is the thing that quietly kills these systems — an uncharged pager is a pager left behind[cite: 7].

Button loss and damage. Loose table units get knocked, wet and occasionally taken[cite: 7]. Under-table mounting reduces this substantially and costs nothing extra[cite: 7].

No licence or subscription on standard wireless systems[cite: 7]. This is genuinely a one-time purchase[cite: 7].

The real cost is abandonment. A system with patchy coverage gets ignored within a fortnight, and the whole spend is wasted[cite: 7]. Range testing before purchase is the cheapest insurance available here[cite: 7].

Step 6 · Avoid these

Six mistakes we see repeatedly

Every one has cost a real project real money[cite: 7].

Trusting the advertised range

300 metres is an open-air figure[cite: 7]. Through concrete you will get 30–50 metres, and less between floors[cite: 7].

Do this: Walk the floor with a test transmitter before ordering[cite: 7]. We bring one to the survey[cite: 7].

Display only, no pagers

Calls are missed whenever nobody is looking at the display — which is most of the time during service[cite: 7].

Do this: Display for floor awareness plus pagers so someone always knows[cite: 7].

Nobody owns the receiver

A pager with no assigned holder ends the shift on a table, uncharged[cite: 7].

Do this: Assign per shift with a charging dock at the pass[cite: 7]. Make it part of shift handover[cite: 7].

Loose buttons on tabletops

They get knocked, spilled on, and occasionally leave with customers[cite: 7].

Do this: Under-table mounting[cite: 7]. Cheaper than replacing units and it looks tidier[cite: 7].

Ignoring the kitchen-to-service direction

Most venues buy table buttons and forget the kitchen[cite: 7]. Food sitting under the lamp is a bigger service problem than a guest waiting to order[cite: 7].

Do this: Add a kitchen-ready caller[cite: 7]. It is often the higher-value half of the system[cite: 7].

Multi-floor without repeaters

Wireless does not cross concrete floors reliably[cite: 7]. Half the venue works and half does not[cite: 7].

Do this: Repeater per floor, or an independent receiver per floor[cite: 7].

Products

Hardware we supply

Specifications, models and pricing sit on the product pages[cite: 7].

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Guide

Buyer & installer guide

Rules we apply on every installation[cite: 7]. Share this with your installer[cite: 7].

01
One receiver per server

Shared pagers go unanswered[cite: 7]. Each server wears their own[cite: 7].

02
Test range with the kitchen running

Microwaves, refrigeration and steel shelving cut range sharply[cite: 7]. Test at the busiest hour[cite: 7].

03
Put the wall display where the pass is

Kitchen and runners should see calls without looking away from the pass[cite: 7].

04
Label every button with the table number

Buttons move between tables[cite: 7]. Labels stop calls going to the wrong table[cite: 7].

05
Carry spare batteries for the buttons

Buttons run for months, then fail together[cite: 7]. A box of spares avoids a dead section on a Friday night[cite: 7].

06
Add a repeater per extra floor

Signal does not travel well through RCC slabs[cite: 7].

FAQ

Questions buyers ask before specifying

One button per table, and roughly one receiver per two floor staff plus at least one wall display[cite: 7]. A 30-table restaurant with 6 staff at peak typically needs 30 buttons, 3 pagers and 1–2 displays[cite: 7]. Use the calculator above and set the construction type honestly[cite: 7].

Advertised figures are open-air with line of sight[cite: 7]. In an open hall with light partitions expect 80–120 metres[cite: 7]. Through concrete walls, 30–50 metres[cite: 7]. Multi-floor or heavy concrete, 15–30 metres[cite: 7]. This gap is the single biggest reason calling systems get abandoned[cite: 7].

In an open hall, usually not[cite: 7]. With concrete walls and a mixed layout, at least one[cite: 7]. Across multiple floors, plan a repeater per floor or an independent receiver per floor — wireless does not travel reliably through concrete slabs[cite: 7].

Both[cite: 7]. A display alone means calls are missed whenever nobody is looking at it[cite: 7]. Pagers alone mean the team loses floor awareness and calls get double-served[cite: 7]. The combination is what actually gets used long-term[cite: 7].

Two to three years on typical restaurant use[cite: 7]. Across 30 tables that is a low recurring cost, but a dead button looks like a system fault to staff — so replace on a schedule rather than waiting for complaints[cite: 7].

Often it is the more valuable half of the system[cite: 7]. Food sitting under the heat lamp because nobody knew it was ready costs more in guest experience than a table waiting a minute to order[cite: 7]. Most venues buy table buttons and overlook this[cite: 7].

Because shared pagers get left on a counter[cite: 7]. The system only improves service when the person who can answer the call feels it on their wrist[cite: 7].

Yes, with a repeater on each additional floor[cite: 7]. RCC slabs block most of the signal[cite: 7].

Prices and figures as of September 2026[cite: 7]. Confirm with a quotation[cite: 7].

Send us your numbers — we will size it properly

Free site survey across Dhaka and Chattogram[cite: 7]. Our engineers confirm the design before anything is quoted[cite: 7].

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