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MD780 professional digital car

阅读次数: Published:2016-5-5 11:19:40Reads :

feature of product

Friendly interface display and button design

/780G 采用大尺寸彩色 LCD 显示屏,即使在户外强光下也可对显示信息一目了然;通过 7 个可编程按键,可快速实现所需的功能,从而提高您的通讯效率。 / 780G features a large-size color LCD display that allows you to see the information at a glance even under outdoor glare; with 7 programmable buttons, you can quickly achieve the desired functions, increasing your communication efficiency.

Reliable and durable quality

品质符合严格的美国军用标准 MIL-STD-810 C/D/E/F/G IP54 工业防护标准,在各种恶劣的工作环境中都可以发挥优异性能。 The MD780/780G quality meets the stringent US military standards MIL-STD-810 C/D/E/F/G and IP54 industrial protection standards, and can perform excellently in a variety of harsh working environments.

Noise suppression, better speech

采用了先进窄带语音编解码技术和数字纠错技术,无论是在嘈杂的环境中,还是在覆盖范围的边缘地带,您均可获得清晰的话音。 The MD780/780G uses advanced narrow-band speech codec technology and digital error correction technology to deliver clear voice in noisy environments or on the edge of coverage. AGC 技术的利用,也极大优化了语音接收效果。 The use of AGC technology also greatly optimizes the voice reception effect. 5W 大功率扬声器,保证声音清晰、洪亮,让您轻松保持通讯畅通。 Built-in 5W high-powered speakers ensure clear and bright sound, making it easy to keep your communication flowing.

Higher spectrum utilization, channel multiplication

双时隙技术使频谱利用率大幅提高, MD780/780G 可在原有的频率资源基础上容纳多一倍的信道,极大地缓解了频谱资源日益短缺的压力。 TDMA dual-slot technology greatly improves spectrum utilization. The MD780/780G can accommodate twice as many channels on the original frequency resources, greatly reducing the pressure on spectrum resources.

Dual-slot virtual cluster function

PDT 产品特有的功能,双时隙虚拟集群技术可以将当前空闲的时隙分配给需要通话的组员,更好地提高了频带利用率。 As a unique feature Hainonda PDT product, the dual-slot virtual clustering technology can allocate the currently idle time slots to the group members who need to talk, and improve the frequency band utilization. In some emergency situations, it helps you deliver important information in a timely manner.

Voice encryption

MD780/780G 还可提供更高级别的加密能力(如 256 位加密算法)和扰频功能(可选)。 In addition to providing encryption inherent in digital technology, the MD780/780G offers a higher level of encryption (such as 256 -bit encryption) and scrambling (optional).

Rich business functions

MD780/780G 还支持多种数据业务和可选功能,如文本消息、扫描、紧急报警、尾针报警、尾针信道切换、自动登记、高速数传 * 和单独工作等功能。 In addition to traditional communication services, the MD780/780G supports a variety of data services and optional features such as text messaging, scanning, emergency alarms, tail hand alarms, tail pin channel switching, automatic registration, high-speed data transmission *, and individual work. Features.

Open secondary development interface

提供开放的前面板和后面板二次开发接口,允许用户或第三方厂商开发更丰富的应用软件来扩展 功能。 The MD780/780G provides an open front and rear panel secondary development interface that allows users or third-party vendors to develop richer applications to extend functionality.

Optional interface

支持可选版接口,允许第三方厂商开发各种应用软件与对讲机相连,控制对讲机扩展其功能,支持的功能有通话录音、加密 * 等。 The MD780/780G supports an optional version of the interface, allowing third-party vendors to develop various application software to connect with the walkie-talkie, and control the walkie-talkie to expand its functions. The supported functions include call recording and encryption * . API 编程人员了解更多信息。 Please consult an API programmer for more information.

The main function

+ 数字双模制式 Analog + digital dual mode

支持数字和模拟两种模式,能兼容现有常规模拟系统,保证模拟产品向数字产品平滑过渡。 The MD780/780G supports both digital and analog modes and is compatible with existing conventional analog systems to ensure a smooth transition from analog products to digital products.

Complete voice call function

所提供的智能信令支持多种呼叫方式,包括个呼、组呼、全呼和紧急呼叫。 The intelligent signaling provided by the MD780/780G supports multiple calling modes, including individual calls, group calls, full calls, and emergency calls.

定位 GPS positioning

支持查看 GPS 定位信息,还可发送 GPS 文本信息。 The MD780/780G supports viewing GPS positioning information and can also send GPS text messages.

Data service

支持发送个呼、组呼文本消息功能。 The MD780/780G supports the function of sending a call and group call text message. API GPS 、对讲机注册服务、对讲机和呼叫控制、遥测 * 、数传 * )或遥测控制对讲机。 It also supports third-party APIs ( GPS , walkie-talkie registration, walkie-talkie and call control, telemetry * , digital transmission * ) or telemetry control intercom.

Attachment extension

支持第三方通过车台的前面板和后面板二次开发接口开发附件扩展功能(后面板二次开发接口已经支持尾针信道切换和尾针报警功能)。 The MD780/780G supports third-party development of accessory extension functions through the front panel and rear panel secondary development interfaces of the vehicle platform (the rear panel secondary development interface already supports the tail stitch switching and the tail needle alarm function).

Support multiple advanced analog signaling

支持多种模拟信令,包括 HDC1200 DTMF* 2-Tone 5-Tone ,更多的静噪控制类型(亚音频 / 亚音数码),因此,提供更大的功能扩展空间。 The MD780/780G supports multiple analog signaling, including HDC1200 , DTMF* , 2-Tone and 5-Tone , and more squelch control types (sub-audio / sub-tone digital), thus providing greater room for expansion.

Supplementary business

支持对讲机检查、远程监听、呼叫提示、激活和遥毙等补充业务。 The MD780/780G supports supplementary services such as walkie-talkie inspection, remote monitoring, call alerting, activation and remote access.

Support multiple language display

13 种语言显示(英文、简体中文、繁体中文、德语、西班牙语、法语、意大利语、波兰语、俄语、土耳其语、韩语、希腊语和葡萄牙语),用户可根据需要选择适合自己的语言。 Support for 13 languages (English, Simplified Chinese, Traditional Chinese, German, Spanish, French, Italian, Polish, Russian, Turkish, Korean, Greek, and Portuguese), users can choose the language that suits them according to their needs. .

One-touch call

支持的一键呼叫功能包含文本消息、语音呼叫和补充业务。 The one-touch calling features supported by the MD780/780G include text messaging, voice calls, and supplementary services.

scanning

支持扫描纯模拟语音和信令、纯数字语音和数据,以及混合模式下的模拟和数字活动。 The MD780/780G supports scanning of pure analog voice and signaling, pure digital voice and data, and analog and digital activities in mixed mode.

roaming

支持在 IP 互连系统所有站点自动漫游。 The MD780/780G supports automatic roaming at all sites in the IP Interconnect system.

Voice and data encryption

支持模拟扰频,以及用于数字语音和数据的高级加密标准( AES )和 ARCFOUR ARC4 )加密算法。 The MD780/780G supports analog scrambling, as well as Advanced Encryption Standard ( AES ) and ARCFOUR ( ARC4 ) encryption algorithms for digital voice and data .

/ 数字电话互连(通过 DTMF 信令) Analog / digital telephony interconnection (via DTMF signaling)

支持对讲机用户与电话用户之间的单向通话。 The MD780/780G supports one-way conversations between walkie-talkie users and telephone users. Allows one walkie-talkie user to place a phone call to a phone user, or a phone user to initiate a call or group call to the walkie-talkie user. COTS )模拟电话装置和普通老式电话业务( POTS ),将对讲机用户连接到公共办公电话系统( PBX )或公共交换电话网络( PSTN )。 This feature uses a commercial off-the-shelf ( COTS ) analog telephone set and Plain Old Telephone Service ( POTS ) to connect walkie-talkie users to a public office telephone system ( PBX ) or public switched telephone network ( PSTN ).

Software upgradeable

Convenient upgrades allow you to add new features directly through software upgrades without having to purchase a new machine.

General specifications

 

frequency

UHF1: 400-470MHz; UHF2: 450-520MHz;
UHF3: 350-400MHz; VHF: 136-174MHz

Channel capacity

1024

Regional capacity

(每组最多 16 个信道) 64 (up to 16 channels per group )

Channel spacing

12.5KHz/20KHz/25KHz

Operating Voltage

± 15% 13.6 V ± 15%

Current consumption standby current

< 0.6A

Current consumption receiving current

<2.0A

Current consumption emission current

5W <5A
25W <8A
45W/50W <12A

Frequency stability

0.5ppm ± 0.5ppm

Antenna impedance

Ω 50 Ω

Dimensions (height x width x depth)

60 X 174 X 200 mm

weight

1.7kg

显示屏 LCD display

像素, 262000 2.0 英寸, 4 220*176 pixels, 262000 colors 2.0 inches, 4 lines

 

Receiving part

 

Sensitivity simulation

μ V 12dB SINAD 0.3 μ V ( 12dB SINAD )
μ V (典型值 ) (12dB SINAD 0.22 μ V (typical ) (12dB SINAD )
μ V 20dB SINAD 0.4 μ V ( 20dB SINAD )

Sensitivity number

μ V/BER5% 0.3 μ V/BER 5%

Adjacent channel selectivity

TIA-603: 65dB @ 12.5KHz / 75dB @ 20/25KHz
ETSI: 60dB @ 12.5KHz / 70dB @ 20/25KHz

Mutual adjustment

TIA-603: 75dB @ 12.5/20/25KHz
ETSI: 70dB @ 12.5/20/25KHz

Spurious response suppression

TIA-603: 75dB @ 12.5/20/25KHz
ETSI: 70dB @ 12.5/20/25KHz

Blocking

TIA-603: 90dB
ETSI: 84dB

AC sound and noise

40dB @ 12.5KHz
43dB @ 20KHz
45dB @ 25KHz

Receive audio rated power

20ohm 3W Built-in (load 20ohm ) 3W
8ohm 7.5W External (load 8ohm ) 7.5W

Receive audio maximum power

20ohm 8W Built-in (load 20ohm ) 8W
8ohm 20W External (load 8ohm ) 20W

Rated audio distortion

3% 3%

Audio response

+1 ~ -3 dB

Conducted emission spur

< -57dBm

 

Launch part

 

Output power (low power)

UHF1 (400-470MHz): 5-25W; UHF2 (450-520MHz): 5-25W
UHF3 (350-400MHz): 5-25W; VHF (136-174MHz): 5-25W

Output power (high power)

UHF1 (400-470MHz): 5-45W; UHF2 (450-520MHz): 5-45W
UHF3 (350-400MHz): 5-45W; VHF (136-174MHz): 5-50W

调制 FM modulation

11K0F3E @ 12.5KHz
14K0F3E @ 20KHz
16K0F3E @ 25KHz

数字调制 4FSK digital modulation

仅数据: 7K60FXD 12.5KHz only data: 7K60FXD
数据和语音: 7K60FXW 12.5kHz data and voice: 7K60FXW

/ 辐射发射 Conduction / radiation emission

-36dBm<1GHz
-30dBm>1GHz

Modulation limit

2.5KHz @ 12.5KHz ± 2.5KHz @ 12.5KHz
4.0KHz @ 20KHz ± 4.0KHz @ 20KHz
5.0KHz @ 25KHz ± 5.0KHz @ 25KHz

交流声与噪声 FM hum and noise

40dB @ 12.5KHz
43dB @ 20KHz
45dB @ 25KHz

Adjacent channel power

60dB @ 12.5KHz
70dB @ 20/25KHz

Audio response

+1 ~ -3 dB

Audio distortion

3 % 3 %

 

Environmental indicators

 

range of working temperature

~ +60 -30 °C ~ +60 °C

Storage temperature range

~ +85 -40 °C ~ +85 °C

(静电防护等级) ESD (static protection rating)

level 4 ) ± 8kV (接触放电) ± 15kV (空气放电) IEC 61000-4-2 ( level 4 ) ± 8kV (contact discharge) ± 15kV (air discharge)

US military standard

MIL-STD-810 C/D/E/F/G

Waterproof and dustproof

标准 IP54 standard

Moisture proof

MIL-STD-810 C/D/E/F/G 标准 According to MIL-STD-810 C/D/E/F/G

Shock and vibration

MIL-STD-810 C/D/E/F/G By MIL-STD-810 C/D/E/F/G

(仅适用于 MD780G GPS ( MD780G only )

95% > 在额定 -130dBm 信号强度下 5 个卫星可见) Accuracy specifications for long-term tracking ( 95% value > 5 satellites visible at rated -130dBm signal strength )

(首次定位时间)冷启动 TTFF (first positioning time) cold start

< 1 point

(首次定位时间)热启动 TTFF (first positioning time) hot start

< 10 seconds

Horizontal positional accuracy

< 10 meters

 

认证均不支持。 20KHz/25KHz, FCC certification is not supported.

The above specifications are tested in accordance with applicable standards. Due to the continuous development of technology, the above indicator data is subject to change without prior notice.

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