We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small beige rectangular box with terminal screws and label

Viking Electronics

Viking Electronics TBB-1B battery booster for line-powered devices

SKU CH-865M-577MS

Powers line-powered devices such as hands-free phones and dialers while extending analog station loop length

  • Boosts line-powered devices with added battery current
  • Extends maximum loop length on analog PABX/KSU stations
  • Powers handsfree phones and hot-line dialers reliably
  • Supports digital announcers and touch-tone equipment
  • Battery booster and current looper in one unit

What It Is

The Viking Electronics TBB-1B is a battery booster and current looper designed for line-powered devices. It enables hands-free phones, touch-tone hot-line diallers and digital announcers to operate from a single telephone line. Installers use it to extend the maximum loop length on analog PABX or KSU station ports. It is a new component for telephony infrastructure projects.

Check Before Ordering

Verify that the target equipment is line-powered and compatible with an analog PABX or KSU station interface. Confirm the existing loop length exceeds the station port specification so the booster is actually required. Ensure the installation environment can accommodate the unit's wiring requirements and that local regulations permit its use on the telephone network.

Replaces And Upgrades

This unit replaces the absence of loop extension on standard analog station ports where cable runs are too long for reliable operation. The upgrade is worth it when deploying hands-free phones, hot-line diallers or announcers beyond the native loop limit of the PABX or KSU. It is not for digital or IP endpoints, nor for systems that already provide sufficient loop current.

Highlights

  • Boosts line-powered devices with added battery current
  • Extends maximum loop length on analog PABX/KSU stations
  • Powers handsfree phones and hot-line dialers reliably
  • Supports digital announcers and touch-tone equipment
  • Battery booster and current looper in one unit

Specifications

BrandViking Electronics

Questions about this item

What cables or accessories come with the TBB-1B and what must I supply?

The booster is supplied as a standalone unit; you must provide the line-powered devices such as hands-free phones, touch-tone hot-line diallers or digital announcers, plus the analogue station wiring to connect them.

The description mentions line-powered devices and longer loops — which version should I choose?

Only the single TBB-1B model is offered; it boosts talk battery and loops current for any compatible analogue PABX or KSU station without additional variants.

How much extra loop length does the TBB-1B actually give on my analogue station?

It increases the maximum loop length on analogue PABX or KSU stations, allowing line-powered devices such as hands-free phones and announcers to operate at greater distances from the switch.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.