Technical Parameters - Retevis Rb21 Bedienungsanleitung

Technical parameters

GSM: B2/B3/B5/B8
WCDMA: B1/B5/B8
EU Version
TDD-LTE: B38/B40
FDD-LTE: B1/B3/B5/B7/B8/B20/B28A/B28B
GSM: B2/B3/B5/B8
WCDMA: B1/B2/B4/B5/B8
US Version
FDD-LTE:
B2/B4/B7/B12/B17/B28A/B28B/B66
WiFi IEEE 802.11 a/b/g/n，2.4G & 5G
Bluetooth BT4.2
Naivigation GPS，AGPS(Optional GLONASS)
CPU MT6739, 1.5GHz，4 Core Prosseso
RAM 1GB+8GB
Card Slot Dual Nano-Sim card+TF Card
USB Micro USB 2.0
Interface 3.5mm
Screen G+F Multi Touch Optional
Screen Size 2.4",240*320 Pixel
Flashlight LED
Speaker Ø32mm, 8Ω/2W
Battery 2800mAh
Talk Time 8hrs
Standby Time 23hrs
OS Android 7.1
IP Rate IP54
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This two-way radio uses electromagnetic energy in the radio
frequency (RF) spectrum to provide communications between two or
more users over a distance. RF energy, which when used improperly,
can cause biological damage.
All Retevis two-way radios are designed, manufactured, and tested
to ensure they meet government-established RF exposure levels.
In addition, manufacturers also recommend specific operating
instructions to users of two-way radios. These instructions are
important because they inform users about RF energy exposure and
provide simple procedures on how to control it.
Please refer to the following websites for more information on what
RF energy exposure is and how to control your exposure to assure
compliance with established RF exposure limits:http://www.who.int/en/
Local Government Regulations
When two-way radios are used as a consequence of employment,
the Local Government Regulations requires users to be fully aware
of and able to control their exposure to meet occupational
requirements. Exposure awareness can be facilitated by the use of a
product label directing users to specific user awareness information.
Your Retevis two-way radio has a RF Exposure Product Label. Also,
your Retevis user manual, or separate safety booklet includes
information and operating instructions required to control your RF
exposure and to satisfy compliance requirements.
Radio License
Governments keep the radios in classification, business two-way
radios operate on radio frequencies that are regulated by the local
radio management departments (FCC, ISED, OFCOM, ANFR, BFTK,
Bundesnetzagentur...).To transmit on these frequencies, you are
required to have a license issued by them. The detailed classification
and the use of your two radios, please contact the local government
radio management departments.
Use of this radio outside the country where it was intended to be
distributed is subject to government regulations and may be
prohibited.
Unauthorized modification and adjustment
Changes or modifications not expressly approved by the party
responsible for compliance may void the user's authority granted by
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