# Technical Data

Construction site radio | GPB18V‑3C | GPB18V‑3SC
--- | --- | ---
Article number |  | ‎3 601 DA3 2..‎‎‎‎ | ‎3 601 DA3 3..‎‎‎‎
Bluetooth®
Operating frequency range | MHz | 2402−2480 | 2402−2480
Max. transmission power | mW | 10 | 10
Compatibility |  | Bluetooth® 5.4 | Bluetooth® 5.4
Nominal output of amplifier | W | 2 × 10 | 2 × 10
Reception range
FM | MHz | 87.5−108 | 87.5−108
DAB+ | MHz | − | 174.928−239.200
Max. charging current (powering external devices via USB Type-C®) | A | 1.5 | 1.5
WeightA) | kg | 2.1 | 2.1
Protection ratingB) |  | IP54 | IP54
Recommended ambient temperature during charging | °C | 0 to +35 | 0 to +35
Permitted ambient temperature during operationC) and during storage | °C | −20 to +40 | −20 to +40
Compatible rechargeable batteries |  | GBA18V… GBA 18V… ProCORE18V… EXPERT18V… EXBA18V… CORE18V… | GBA18V… GBA 18V… ProCORE18V… EXPERT18V… EXBA18V… CORE18V…
Rcommended battery chargers |  | GAL18… GAL 18… GAL 36… GAL12V/18… GAL 12V/18… GAX 18… EXAL18… | GAL18… GAL 18… GAL 36… GAL12V/18… GAL 12V/18… GAX 18… EXAL18…
USB Type‑C® power supply with Power Delivery (USB-PD, commercially available)
Output voltage | V | 20 | 20
Minimum output current | A | 2.25 | 2.25
Recommended output power for full functionalityD) | W | 45 | 45

A)

  Without rechargeable battery (you can find the battery weight at www.bosch-professional.com.)

B)

  When the battery compartment cover (12) and connector compartment (17) are closed

C)

  Limited performance at temperatures < 0 °C

D)

  If the power supply provides insufficient power, the radio will switch itself off.

Values can vary depending on the product, scope of application and environmental conditions. To find out more, visit www.bosch-professional.com/wac.