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RETEVIS RT57 Wireless Business Calling Device Wireless Intercom System(Black)

RETEVIS RT57 Wireless Business Calling Device Wireless Intercom System(Black)

£71.99
£71.99
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Order Processing Time

Handling time to dispatch order: 1 - 3 working days. (Onkiza has to process your order and put all your items through its strict quality-control tests.)

Return Guarantee

For whatever reason if you are unsatisfied with your order within 7 days you can return it to us in new condition for a refund minus the shipping charges.

DOA Guarantee

If your item arrives damaged, please contact us within 7 days and provide clear and valid proof. Onkiza will make compensation based on the damage situation.

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If you receive a parcel with missing/incorrect/secondary packing items, please contact us within 7 days of delivery and provide the relevant proof. Onkiza will make compensation based on the damage situation.

1. No need to wire or change the current decoration. Stable reception and reliable performance. With the help of digital encoding and decoding technology, each system has its own unique code to ensure that there is no error between the calling systems
2. Two-way communication, but the ordinary business buzzer only establishes communication between the master station and the extended set. That is, the extension can communicate freely not only with the master station, but also with other extensions. The phone set as a terminal can be converted to a host for group calls, or it can be converted to an extension that receives signals from other extension terminals. It can be used for one-to-one calls and one-to-many communications.
3. It can be connected to wakie walkie talkie for voice calls
4. Function: interconnection between 99 devices, two-way communication, announcement or one-way conference, caller ID, call prompt tone, automatic call tone communication, backlit LCD screen, call intercom, etc.
5. Channel: 10
6. Frequency range: UHF
7. Channel spacing: 25KHz
8. Modulation: FSK
9. Antenna impedance: 50 ohms
10. Working voltage: 7-9V
11. Working temperature: -20 to 55 degrees Celsius
12. Working current: less than 600 mA
13. Standby current: 60mA
14. Spurious emission: less than -60 dB
15. Output power: 0.5 W
16. Channel stability: +/-5 ppm
17. Modulation sensitivity: 2--20 mA
18. Usable sensitivity: -110dBm
19. Size: 160x150x60mm
20. Weight: 365g

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