- * Network walkie talkie; linux system; support 2G / 3G / 4G signal
- * Use a micro sim card; can be used to make calls
- * Not limited by distance; connect the whole country if there is the signal
- * Linux operating system; don’t worry about the memory size; provide enough space for use
- * 4000mAh battery capacity; long standby time; no need to worry about power issues
- * GPS positioning; accurately locate the location; provide adequate security
*US Version can communicate with RT51
*EU version can communicate with RT70
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Retevis RB20 POC Handset Network Walkie Talkie
Retevis RB20 POC handset use linux system; support 2G / 3G / 4G signalwith GPS tracking function, no limit caling distance, GPS positioning, 4000mAh battery capacity, retvis RB20 network walkie talkie is the best selling Network two way radio.
Description:
- Easy for Fleet Management and Organization-the smartphone walkie talkie a reliable communication service suitable for all types of projects are needed. Trucks, escalators, crane 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 the option to send an alarm to a dispatcher and/or colleagues on the road is the ideal tool. RB20 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.
- The RB20 and it has no distance limit, 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.
Features:
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- PTT One touch communication, strong signal and long continuation talking.
- Unlimited talking distance, cover a whole country.
- Private call/Group call/ Member list/ Parent Group call.
- Battery power voice prompt.
- Talk priority setting.
- Loud voice, High fidelity output.
- Software remote updated.
- List quick search.
- Talk Permit Tone.
- GPS function.
- 3 Quick call keys
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Package Include:
- 1 x Host
- 1 x Antenna 2G/3G/4G
- 1 x Back clip(including 2 screws)
- 1 x Charging cable
- 1 x charger adapter
- 1 x Battery
- 1 x Manual
- 1 x Handle(used for buckle card and battery)
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System Specification | |
Operating System | Linux |
Language | English |
Antenna | All networks external antenna, GPS antenna built-in |
Display size | 1.77Inch SPI color screen, resolution: 128*160 |
CPU | Quectel |
Battery capacity | 4000mAh |
Rx Sensibility | -106dbm |
Max Tx Power | 23dBm-25dBm@all up bits |
Working Temperature | -20---+60°C |
Storage Temperature | -20---+60°C |
Audio output power | 2W@10% distortion |
Sim Card | micro SIM |
American version | ||
LTE TDD B2 | TX:1850-1910MHz | RX:1930-1990MHz |
LTE TDD B4 | TX:1710-1755MHz | RX:2110-2155MHz |
LTE TDD B5 | TX:824-849MHz | RX:869-894MHz |
LTE TDD B12 | TX:699-7160MHz | RX:729-746MHz |
LTE TDD B13 | TX:777-787MHz | RX:746-756MHz |
LTE TDD B14 | TX:788-798MHz | RX:758-768MHz |
LTE TDD B66 | TX:1710-1780MHz | RX:2100-2200MHz |
LTE TDD B71 | TX:663-698MHz | RX:617-652MHz |
WCDMA 82 | TX:1850-1910MHz | RX:1930-1990MHz |
WCDMA B4 | TX:1710-1755MHz | RX:2110-2155MHz |
WCDMA 85 | TX:824-849MHz | RX:869-894MHz |
European version | ||
LTE FDD B1 | TX:1920-1980MHz | RX:2110-2170MHz |
LTE FDD B3 | TX:1710-1785MHz | RX:1805-1880MHz |
LTE FDD B7 | TX:2500-2570MHz | RX:2620-2690MHz |
LTE FDD B8 | TX:880-915MHz | RX:925-960MHz |
LTE FDD B20 | TX:832-862MHz | RX:791-821MHz |
LTE FDD B28 | TX:703-748MHz | RX:758-803MHz |
LTE TDD B38 | TX:2570-2620MHz | RX:2570-2620MHz |
LTE TDD B40 | TX:2300-2400MHz | RX:2300-2400MHz |
LTE TDD B41 | TX:2555-2655MHz | RX:2555-26555MHz |
WCDMA B1 | TX:1920-1980MHz | RX:2110-2170MHz |
WCDMA 88 | TX:880-915MHz | RX:925-960MHz |
GSM | 900MHz | 1800MHz |