Panasonic KXTG-3611BX Cordless Phone

Panasonic KX-TG3611BX — 2.4 GHz Digital Cordless Phone

The Panasonic KX-TG3611BX is a single-handset 2.4 GHz digital cordless telephone designed for home and small office use. It operates on FHSS (Frequency Hopping Spread Spectrum) technology for secure, interference-resistant wireless communication between the handset and base, and includes Caller ID, digital handset speakerphone, a 50-station shared phonebook, backlit LCD display, and visual ringer indicators. The handset is powered by AAA NI-MH rechargeable batteries, providing up to 5 hours of talk time and 264 hours of standby per charge.

The KX-TG3611BX connects to a standard analogue telephone line via the base unit and operates as a cordless extension within the range of the base — suitable for PSTN lines, PABX analogue extension ports, and VoIP ATA analogue outputs. The black finish suits both home and professional desk environments.

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2.4 GHz FHSS Technology

The KX-TG3611BX operates at 2.4 GHz using Frequency Hopping Spread Spectrum (FHSS) technology. FHSS continuously shifts the radio frequency used for transmission across the 2.4 GHz band, providing two specific advantages over fixed-frequency cordless systems:

Interference resistance — The frequency hopping pattern reduces susceptibility to interference from other 2.4 GHz devices — including Wi-Fi routers, microwave ovens, and Bluetooth devices — that operate on fixed frequencies within the same band. Where fixed-frequency cordless phones experience audio degradation near Wi-Fi equipment, FHSS maintains stable audio quality by avoiding occupied frequency channels.

Digital security — The hopping sequence uses a digital security code unique to the handset-base pair. This prevents other FHSS handsets or receivers from intercepting the call — a relevant feature in shared-wall residential and small office environments where physical proximity to neighbouring units is unavoidable.

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Caller ID

The KX-TG3611BX displays incoming caller information — caller number and name where provided by the service — on the backlit LCD before the call is answered. Caller ID display requires the telephone service provider to deliver Caller ID data on the connected line; Caller ID subscription may be required separately from the service provider.

Ringer ID — The phone supports Ringer ID, which assigns different ring tones to specific contacts stored in the phonebook. When an incoming call is received from a stored contact with an assigned Ringer ID, the handset plays the designated ring tone — allowing the user to identify the caller by ring tone alone without looking at the display.

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Display and Navigation

The handset features a backlit LCD display that illuminates automatically when a call is received or a key is pressed. The backlight allows the display to be read in low-light environments without requiring the user to move to a better-lit area — relevant for bedside or corridor use during evening or night hours.

Wheel navigation keys allow the user to scroll through the phonebook, call logs, and menu options with a single directional control rather than multiple directional buttons — simplifying navigation for users who make frequent phonebook calls or access call logs regularly.

Night mode — The phone includes a night mode setting that suppresses incoming ring during configured hours, preventing disturbance during sleep or focused work periods while the phone remains connected and capable of recording missed calls.

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Handset Speakerphone

The KX-TG3611BX includes a digital speakerphone on the handset. This enables hands-free calling without a separate speakerphone base or desk unit — the handset itself projects audio at speakerphone volume, allowing the user to place it on a flat surface and continue a call while working with both hands. The handset speakerphone is suitable for brief hands-free conversations; for extended conference-style use, a dedicated speaker base unit provides higher audio volume.

Any-key answer — Incoming calls can be answered by pressing any key on the handset keypad, not only the dedicated answer key. This reduces the time required to locate and press a specific key when a call arrives, particularly in situations where the handset is being held or carried.

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Light-Up Indicator

The handset includes a light-up indicator that illuminates in amber for two distinct purposes:

• Incoming call alert — The indicator flashes amber when a call arrives, providing a visual alert that supplements the audible ringer — useful when the phone is in a noisy environment or when the user has reduced hearing sensitivity.
• Charging indicator — The indicator shows when the handset is placed in the base and charging, providing visual confirmation that the charging cycle is active.

This combination of visual and audible alerting supports use in environments where the ringer alone may not be reliably noticed — such as kitchens, workshops, or rooms with background noise.

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Battery and Runtime

The handset is powered by two AAA NI-MH rechargeable batteries, providing:

• Talk time — Up to 5 hours of continuous conversation per full charge
• Standby time — Up to 264 hours (approximately 11 days) of standby per full charge

The use of standard AAA battery form factor is a practical maintenance advantage: when the rechargeable NI-MH batteries reach end of life, they can be replaced with any commercially available AAA NI-MH rechargeable batteries (Panasonic HHR-4MRT or equivalent) without requiring a proprietary replacement pack or service visit.

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Phonebook and Memory

50-station shared phonebook — Stores up to 50 contacts with name and number. In multi-handset configurations (where additional handsets are registered to the same base), the phonebook is shared across all handsets, allowing contacts added on any handset to be accessible from all registered units.

5-number redial memory — The last five dialled numbers are stored in redial memory, accessible with a single key press for quick callback without navigating to the phonebook.

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Ringer and Personalisation

7 ringer patterns — Seven distinct ring tones are available for selection, allowing the user to differentiate this phone’s ring from other phones in the same environment or to assign a personally preferred tone.

Ringer ID — As noted above, specific contacts can be assigned individual ring tones for caller identification by sound.

Clock and alarm — The handset includes a built-in clock with an alarm function, providing a basic wake or reminder alarm without requiring a separate alarm clock. The clock display is visible on the LCD during standby.

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Digital Security Code

The handset-base pairing uses a digital security code that prevents unauthorised handsets from being registered to the base. This security feature ensures that only handsets that have been specifically paired to the base can make and receive calls through it — preventing neighbour’s handsets from accidentally or intentionally using the same base unit.

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Paging

The base unit includes a paging function that causes registered handsets to ring when a button on the base is pressed. This enables the user to locate a misplaced handset by following the ring — a practical feature when the handset has been left in a different room and the base cannot be seen from the handset’s location.

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Wall-Mountable Design

The base unit is wall-mountable, providing installation flexibility in environments where counter or desk space is limited — kitchens, hallways, utility rooms, and small offices where wall mounting is preferred to a desk footprint.

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Compatible Systems

The KX-TG3611BX connects to standard analogue telephone infrastructure:

• Standard PSTN analogue telephone lines
• Analogue extension ports on PABX systems (Panasonic KX-TA824, KX-TES824, Panatron PXT308, PXT632, and equivalent analogue hybrid systems)
• VoIP analogue telephone adapters (ATAs) providing a standard FXS analogue output

It is not compatible with digital proprietary telephone ports, ISDN interfaces, or IP telephone systems without an analogue interface adapter.

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Ideal Users

• Home and Home Office Users — The KX-TG3611BX provides cordless PSTN or PABX extension coverage within a home or home office, enabling calls to be taken from any room within base range without requiring a telephone point in every location. The 264-hour standby time means the handset does not need daily charging in typical home use.
• Small Office and SME Receptions — As a cordless extension on an analogue PABX system (such as the Panatron PXT308 or Panasonic KX-TES824 also in this catalogue), the KX-TG3611BX gives reception and support staff mobility within the office premises — taking calls while moving between rooms, attending to visitors, or working in areas without fixed telephone points.
• Retail and Hospitality Environments — Cordless coverage allows staff to remain mobile while available to receive transferred calls or intercom calls from a PABX extension, without being tethered to a fixed desk phone position.
• Residential PABX and Small Business Telephony Installers — The KX-TG3611BX is a standard analogue cordless handset compatible with the analogue extension ports of the PABX systems in this catalogue, providing installers with a cordless endpoint option for analogue PBX builds without requiring specialist proprietary handsets.
• Users Requiring Visual Call Alerts — The amber light-up ringer indicator and backlit display provide visual call notification for users with reduced hearing sensitivity or in high-noise environments where an audible ringer alone may be insufficient.

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Technical Specifications

Attribute	Detail
Model	KX-TG3611BX
Technology	2.4 GHz FHSS Digital Cordless
Colour	Black
Caller ID	Yes — FSK/DTMF compatible
Ringer ID	Yes — per-contact ring tones
Display	Backlit LCD
Speakerphone	Digital handset speakerphone
Phonebook	50 stations (shared)
Redial Memory	5 numbers
Ringer Patterns	7
Navigation	Wheel navigation keys
Any-Key Answer	Yes
Light-Up Indicator	Amber — incoming call and charge indicator
Night Mode	Yes
Clock / Alarm	Yes
Digital Security Code	Yes
Paging	Yes (base to handset)
Wall-Mountable	Yes
Battery Type	2 × AAA NI-MH rechargeable (HHR-4MRT or equivalent)
Talk Time	Up to 5 hours
Standby Time	Up to 264 hours
Line Interface	Standard analogue (RJ11)
Expandable	Yes — additional handsets registerable to base