RT57 Duplex Business Radio
- Clear sound quality and long range
- Duplex mode: You can speak to another user if they are speaking at the same time.
- 10 selectable channels, Features an enhanced anti-interference and can work with other walkie-talkies when with same frequencies and CTCSS code.
Order Handling Time within 3 Working days(Pre-sale products excluded).
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Retevis RT57 Wireless business Calling Device Wireless Intercom System for Home or Office, Room to Room Intercom, Home Communication System walkie talkie restaurant
Hot Spot:
1. There is no need to wire or change current decoration. Reception is stable and performance reliable. With up-to-date digital encoding and decoding technology, every system owns its unique code that ensures there is no error between calling system.
2. Two-way communication but ordinary business beepers only establish communication between master station and extended set. Our new model is designed to satisfy prevailing market demand that an extension could not only communicate freely to master station but also to other extensions. A phone set as the terminal could be turned into the master for the group call as well as an extension for the reception of signals from other extension terminal. It is able to be used for one-to-one calling and also one-to-many communications.
3. It could be connected to a wakie talkie for voice call.
Features:
1. Interconnection between 99 devices
2. Two-way communication
3. Making Announcement or one-way conference function
4. Incoming call display
5. Call tone for manual communication
6. Call tone for automatic communication
7. Backlight LCD
8. 5 selectable call tones
9. 10 selectable channels
10. Calling walkie-talkie
Package includes
- 1 x RT57 Wireless business Calling Device
- 1 x Antenna
- 1 x Power Adapter
- 1 x User Manual
What’s in the Box?
- 1 x RT57 Wireless business Calling Device
- 1 x Antenna
- 1 x Power Adapter
- 1 x User Manual
Package includes
Spec
Technical specification:
Weight |
365g |
Dimension |
160*150*60mm |
Channels |
10 |
Frequency Range |
UHF |
Channel Spacing |
25KHz |
Working Mode |
Duplex Mode on Two Frequencies |
Modulation |
FSK |
Antenna Impedance |
50Ω |
Operating Voltage |
7--9V |
Operating temperature |
- 20--+55℃ |
Operating current |
< 600 mA |
Standby current |
60mA |
Spurious emission |
< -60 dB |
Output Power |
0.5 W |
Channel Stability |
±5 ppm |
Modulation Sensitivity |
2--20 mA |
Available Sensitivity |
-110dBm |
Threshold of Squelch Sensitivity |
< 0.2uV |
Deep Quieting Sensitivity |
< 3uV |