What are the physical dimensions, electrical ratings, and RF specifications of the SEWACall KW4H2 call unit?

The SEWACall KW4H2 has an enclosure measuring 85 mm x 85 mm x 10 mm and operates on a 433.92 MHz carrier frequency using AM modulation with an open transmission distance of up to 100 meters. It runs on DC 12V at 10 mA working current, powered by a 23A 12V battery (they are not included), with an Effective Radiated Power (ERP) of 2.58 to 3.69 mW.

What call alert actions and key functions are integrated on the SEWACall KW4H2 call button?

The KW4H2 features three dedicated alert keys: Housekeeping (H.Keeping), Nurse, and Code Blue. This tri-button layout enables immediate triage between routine facility upkeep, clinical nursing assistance, and urgent medical emergencies.

What system hardware and mounting locations is the SEWACall KW4H2 compatible with?

The KW4H2 transmits on 433.92 MHz (AM modulation) to interface wirelessly with SEWACall nurse call receiver consoles, central corridor display units, and nurse duty station indicators within a 100-meter open range. It is designed for wall-mounted or bedside installation in hospitals, clinics, nursing homes, and assisted living facilities.

What is the HSN code for the SEWACall KW4H2 wireless nurse call unit?

The SEWACall KW4H2 wireless nurse call transmitter is invoiced under Indian Harmonized System code HSN 85176910 for commercial procurement and billing.

What is the product Attendant Waiter Nurse Calling System also known as?

Attendant Call System, Nurse Call Button, Waiter Call System, Patient Call System, Hospital Nurse Alert System, Service Calling Device, Staff Call System, Emergency Call Button, Caregiver Alert System, Hospital Paging System, Patient Assistance Call, Bedside Call System, Healthcare Communication System, Attendant Alert System, Nurse Communication Device

How wireless nurse call system works?

Wireless nurse call system work on wireless RF technology with a transmission range of 70-100mts in open area and are 100% plug & play, battery operated systems. The bed side units(with a 120cm long flexible cord) are fixed at the patient bed in the room, which is used to call the nurse by press of the handly remote.Nurse can press cancel on the same button. The emergency pull cord call buttons are fixeds in the washrooms/toilets, in case of any emergency the patient can trigger the call with a gentle pull of the cord. The led door indicators are fixed outside the rooms , which indicate different type of calls with different colours.It glows whenever any call button from room or washroom is pressed. The nurse station is installed with a led panel display. The room number/bed number is displayed with an audio alert to notify the nurses which patient needs attention. Signal boosters are optional , which are used in case of increase the transmission distance if needed in any case.

Advantages of wireless nurse call system

Advantages of wireless nurse calling system are as follows: Discrete communication between nurses and patients. Long cord call button for serious patients. Wireless personal/nurse wrist monitor. Easily handle emergency situations. Easy to use. Hassle free Wireless installation. Low maintenance system. Technology oriented and user friendly.

Which battery is supported by the wireless call buttons?

All the call buttons work on 23A 12V battery.

Are the emergency pull cord units waterproof ?

No, the emergency pull cord units are not waterproof, but they can be made waterpoof on request at an extra cost.

What is the length of the flexible cord on the bed side units?

The length of the flexible cord attached to the bed side units is approx 120cm.

USECASES OF WIRELESS CALL SYSTEMS

1. Wireless Nurse Calling System 2.Wireless Inseat Calling system 3. Wireless Office Call Bell System 4. PWD Toilet Alarm system 5.Wireless PaniC Alarm system 6.Wireless Calling system 7.Wireless Inseat Calling system 8.wireless Guest Paging system 9. wireless Industrial Automation

SEWACall Wireless Nurse Call System KW4H2

KTI0401200WKW4H

Product Description

The SEWACall KW4H2 is a wireless nurse call button transmitter designed for rapid patient-to-caregiver alerting in healthcare and clinical environments.

Make: SEWACall
Model: KW4H2
Call Options: Housekeeping, Nurse, and Code Blue
Carrier Frequency: 433.92 MHz
Modulation: AM
Transmission Range: Up to 100 m in open area
Operating Voltage: DC 12V
Working Current: 10 mA
Radiated Power (ERP): 2.58 mW to 3.69 mW
Power Source: 23A 12V battery
Mounting: Wall-mounted or bedside installation
Dimensions: 85 mm x 85 mm x 10 mm

KTI0401200WKW4H

Price

₹ 3,712.50 excl. GST

+ 18.00% GST. Freight after pincode at cart.

Registered dealers see net rates after login

Product Details
Available Brands	Sewa
Unit	Numbers
HSN Code	85176910
Dimension	L 8.5 x W 8.5 x H 1 cm cm ft in m
Warranty	12 Months No-Onsite Warranty
Resources	Download Datasheet
Tags/categories	Automation Office Automation Solutions Attendant Waiter Nurse Calling System

Usually dispatched within 7 days

	Current Product SEWACall Wireless Nurse Call System KW4H2	Repeater for Nurse Calling System S	2 buttons 2 call WHwhite Water resistantIP68 SB92PWH	+ Add product to compare
SKU	KTI0401200WKW4H	KTI0401200SEWAR	KTI040120SLT2PWH	—
Brand	Sewa	Sewa	SOLT	—
Price (excl. GST)	₹ 3,712.50 excl. GST	Ask for price	₹ 3,078.00 excl. GST	—
GST %	18.00%		18.00%	—
Certifications	—	—	—	—
Availability	Made to Order	Made to Order	Made to Order	—
		Ask for price		—

Current Product

SEWACall Wireless Nurse Call System KW4H2

Repeater for Nurse Calling System S

2 buttons 2 call WHwhite Water resistantIP68 SB92PWH

+ Add product to compare

SKU

KTI0401200WKW4H

KTI0401200SEWAR

KTI040120SLT2PWH

—

Brand

Sewa

SOLT

—

Price (excl. GST)

₹ 3,712.50 excl. GST

Ask for price

₹ 3,078.00 excl. GST

—

GST %

18.00%

—

Certifications

—

Availability

Made to Order

—

Ask for price

—

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SEWACall Wireless Nurse Call System KW4H2

Product Description

SEWACall Wireless Nurse Call System KW4H2

KTI0401200WKW4H

About this product .

Product Information .

Related Products .

Compare with similar products .

Product FAQ .

Category FAQ .

Fire Safety Solutions

PPE Personal Protective Equipment

Road Traffic Safety Solutions

Signage Solutions

Alcohol Detector Breath Analyser

CCTV Surveillance System

Corporate Solutions

Home Security Automation Solutions

LED Searchlights

Metal Detector Solutions

Perimeter Protection Solutions

Access Control, Attendance System

Automatic Entry Solutions

House Keeping Solution

Hygiene Automation Solutions

LED Display Solutions

Office Automation Solutions

PA Solutions

Solar Solutions

SEWACall Wireless Nurse Call System KW4H2

Product Description

SEWACall Wireless Nurse Call System KW4H2

KTI0401200WKW4H

About this product .

Product Information .

Related Products .

Compare with similar products .

Product FAQ .

Q. What are the physical dimensions, electrical ratings, and RF specifications of the SEWACall KW4H2 call unit?

Q. What call alert actions and key functions are integrated on the SEWACall KW4H2 call button?

Q. What system hardware and mounting locations is the SEWACall KW4H2 compatible with?

Q. What is the HSN code for the SEWACall KW4H2 wireless nurse call unit?

Category FAQ .

Q. What is the product Attendant Waiter Nurse Calling System also known as?

Q. How wireless nurse call system works?

Q. Advantages of wireless nurse call system

Q. Which battery is supported by the wireless call buttons?

Q. Are the emergency pull cord units waterproof ?

Q. What is the length of the flexible cord on the bed side units?

Q. USECASES OF WIRELESS CALL SYSTEMS