T-7702A 7-inch Touch Screen Desktop Intercom Paging Microphone
Jaminan Garansi
- 3 Tahun Speaker System
- 2 Tahun Conference System
- 1 Tahun LED Display System
Description:
It is applied to a variety of call centers, alarm centers, duty room, leadership offices, meeting rooms and so on, to fulfill one way paging (point to point, to a single zone, or all zones)to a variety of network terminals, two-way intercom and monitoring.
Features:
*  With desktop design, it’s built-in 7 inch resistance touch screen by 800 × 480 dot matrix K600 + kernel 65K color, to fulfill clear display and sensitive touch. Humanized operation  interface.
* Â With numeric and function keys interface. Support paging to single or multiple zones, all zones. Â Support direct paging or intercom with terminal, support environmental monitoring to any terminal, with distance up to 5 meters.
* Â With embedded computer technology and DSP audio processing technology, high-speed industrial-grade chips.
* Â Built in 1 channel network hardware audio decoding module that Support TCP / IP, UDP, IGMP (multicast) protocol to achieve 16-bit stereo CD quality network audio signal transmission.
* Â It is compatible with routers, switches, bridges, gateways, Modem, Internet, 2G, 3G, 4G, multicast, unicast and other arbitrary network structures.
* Â Support full-duplex two-way intercom function, built-in network echo cancellation module. Support two-way intercom between the terminals, with network delay less than 100ms, and suppress the network echo howling completely.
*  Support hints of asking for help signal ringing and flashing lights  , one key to accept the call, intercom, hands-free calls and receive broadcast, to achieve quick links.
* Â Support multiple paging modes, including paging waiting, paging forwarding, no answer reminding.
* Â Support for answering automatically, manual answering, and support for custom answer tone.
* Â Support user-defined setting of time for call forwarding , no answer, call waiting.
* Â Built-in 2W full-frequency hi-fi speaker, to fulfill two-way conversation and network monitoring.
*  One φ3.5 headphone jack and one φ3.5 MIC input socket, matching with 95% headphones and a portable microphone in the market.
*  With one  line output for external amplifier expansion, one line input for more audio sources transmission.
* Â One way alarm output for short circuit trigger ,can be cascaded with external alarm device or access control; one way short circuit input, Â can be used to trigger preset voice prompts (or alarm), and also can be used to control the access control to linkage with input short-circuit signal.
* Â The digital products is more convenient for extension, no limit by the geographical position, no need increase management equipment in control center, sharing network to save cabling, simple installation.
* Â It support remotely update to the hardware terminal, no need go to upgrade locally , to reduce maintenance work and make simpler operation.
* Â With 10 buttons, support customized one-button paging and one-button broadcasting.
Specifications:
| Model | T-7702A |
| Network Interface | Standard RJ45 input |
| Support Protocol | TCP/IP,UDP,IGMP (Multicast) |
| Audio Format | MP3 |
| Sampling Rate | 8K~48KHz |
| Transmission rate | 100Mbps |
| Audio Mode | 16 bit  CD quality |
| Display Size | 7-inch |
| Screen Resolution | 800 x 480 Pixel |
| Screen Type | 65K Color DGUS Screen |
| Keyboard Type | virtual QWERTY Keyboard |
| Keyboard Input Type | Touch screen |
| Inscribed speaker impedance
and power rating |
4Ω,2W |
| THD | ≤1% |
| Frequency response | 80Hz~16KHz  +1dB/-3dB |
| SNR | >65dB |
| PHONE OUT output impedance
and power rating |
16Ω,2mW |
| LINE OUT Output Level | 1000mV Industry standard wire terminals |
| LINE OUT Output Impedance | 470Ω |
| LINE IN Input Sensitivity | 350mV  Industry standard wire terminals |
| MIC Input Sensitivity(Unbalance) | 10mV |
| Short-circuit input | Dry contact input |
| Short-circuit output | Max 1A/30VDC Dry contact input |
| Working Temperature | 5℃~40℃ |
| Working Moisture | 20%~80%Relative humidity,
without condensation |
| Working Consumption | ≤6W |
| Power Input | ~190-240V 50-60Hz (power adapter); |
| DC24V/2A | |
| Size | 200×160×60 mm |
| Weight | 1.2Kg |





