Wide coverage area, can be used as a mobile phone with comprehensive functions and diversified choices.
High-accuracy GPS Antenna with Online Positioning Software Included, while instant location can be tracked by different platforms like PC and other smartphones.
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Retevis RB21 Network Two Way Radio
Retevis RB21 4G POC WIFI Handset Network Radio is the best selling network radio, support WiFi Android 7.1 PTT Zello Network walkie talkie, fit for long range communication requirements. it has US and EU versions, please choose the right version for your order.
Description:
- Humanized handheld non-slip design, smart touch screen.
- Digital signal, clear sound quality, strong call confidentiality, and will not cause leakage of secrets due to the same frequency.
- Easy for Fleet Management and Organization-This smartphone walkie talkie A reliable communication service suitable for all types of projects are needed. Trucks, escalators, crane,s and lift personnel need to communicate in different groups and at the same time.
- Network Two Way Radio-A radio communication solution without range limitations, good sound quality and with the option to send an alarm to a dispatcher and/or colleagues on the road is the ideal tool. RB21 Smartphone with PTT and Global Positioning is a perfect fit for this customer segment. Not to forget the social aspect of being able to talk in a group with colleagues on the road using voice.
- It has no distance limitations unlike traditional radio. It is suitable for 3G, 4G and 2G Network, with High-accuracy GPS Antenna with Online Positioning Software Included, while instant location can be tracked by different platforms like PC and other smartphones.
- Can be used as a mobile phone with comprehensive functions and diversified choices
Features:
- PTT One touch communication, strong signal and long continuation talking.
- Unlimited talking distance, cover a whole country.
- Network support WIFI/2G/3G/4G
- Private call/Group call/ Member list
- Remote networking, scheduling control
- Make a voice call
- Loud voice, High fidelity output.
- Flashlight
- SOS
- GPS
Package Include:
- 1x Host
- 1 x Back clip
- 1 x Adapter
- 1 x Battery
- 1 x Data line
- 1 x Hand strap
- 1 x Manual
Technical parameters
US Version | GSM: B2/B3/B5/B8WCDMA: B1/B2/B4/B5/B8FDD-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 |
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 |
EU Version | GSM: B2/B3/B5/B8WCDMA: B1/B5/B8TDD-LTE: B38/B40FDD-LTE: B1/B3/B5/B7/B8/B20/B28A/B28B |
WiFi | IEEE 802.11 a/b/g/n,2.4G & 5G |
Bluetooth | BT4.2 |
Naivigation | GPS,AGPS |
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 |