锦艺国际发展有限公司-锦艺国际

位置：首页 > 产品中心 > ARTSOUND > 会议系统 > 无线话筒 > ART-22

ART-22

产品描述：

天线分配系统天线

扩音机

会议系统

产品详情
技术参数

1.专业用于UHF频段使用的接收定向天线。

2.超宽频470-960 MHz, 能完全覆盖于世界各国对无线麦克风新电波法规的频段；

3.高增益指向特性，对特性方位的使用环境有很好的效果；

4.输出增益可调（-4～11dB），可清晰显示出所设置的数值，方便使用过程中避免过高的增益造成接收机的内调失真；

5.自带天线放大器，能提供较长的传输距离，及稳定的信号发射与接收效果

频段：UHF 470-960 MHz

天线增益：7.5 dBi

驻波比：< 2 : 1

3dB波束宽：垂直面90度，水平面 120度

系统阻抗：50Ω

接头：BNC

重量：468g

尺寸：325（宽）X 280（高）X 2.1（深）

基本文件流程错误 SQL 调试

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[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: catid[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:116]
[8]未定义变量: now[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:144]
[8]未定义变量: now[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:145]
[8]未定义变量: now[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:146]
[8]未定义变量: now[/www/wwwroot/artsound.com.cn/runtime/temp/eedcf4f05ad2bb21be4fd26857bb9dc7.php:147]

[ DB ] CONNECT:[ UseTime:0.000197s ] mysql:host=localhost;dbname=artsound_com_cn;charset=utf8
[ SQL ] SHOW COLUMNS FROM `yzn_category` [ RunTime:0.001020s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 4 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000350s ]
[ SQL ] SHOW COLUMNS FROM `yzn_attachment` [ RunTime:0.000857s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 88 [ RunTime:0.000254s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 89 [ RunTime:0.000165s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 201 [ RunTime:0.000151s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 22 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000260s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000153s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 49 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000251s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000160s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 23 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000247s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000142s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000143s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 54 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000242s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000154s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 57 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000211s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 25 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000242s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000151s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000144s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 70 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000231s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 71 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000274s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000144s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000136s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000164s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000137s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000135s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000140s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000133s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `id` = 4 LIMIT 1 [ RunTime:0.000171s ]
[ SQL ] SHOW COLUMNS FROM `yzn_module` [ RunTime:0.000768s ]
[ SQL ] SELECT * FROM `yzn_module` WHERE `module` = 'cms' LIMIT 1 [ RunTime:0.000177s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `id` = 4 LIMIT 1 [ RunTime:0.000158s ]
[ SQL ] SELECT `path` FROM `yzn_attachment` WHERE `id` = 5 LIMIT 1 [ RunTime:0.000115s ]
[ SQL ] SHOW COLUMNS FROM `yzn_product` [ RunTime:0.000781s ]
[ SQL ] UPDATE `yzn_product` SET `hits` = `hits` + 1 WHERE `id` = 27 [ RunTime:0.000223s ]
[ SQL ] SELECT * FROM `yzn_product` WHERE `id` = 27 LIMIT 1 [ RunTime:0.000154s ]
[ SQL ] SELECT * FROM `yzn_product` WHERE `id` = 27 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000156s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 174 [ RunTime:0.000143s ]
[ SQL ] SHOW COLUMNS FROM `yzn_product_data` [ RunTime:0.000711s ]
[ SQL ] SELECT `content` FROM `yzn_product_data` WHERE `did` = 27 LIMIT 1 [ RunTime:0.000133s ]
[ SQL ] SELECT `technical` FROM `yzn_product_data` WHERE `did` = 27 LIMIT 1 [ RunTime:0.000113s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `id` = 72 LIMIT 1 [ RunTime:0.000167s ]
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[ SQL ] SELECT * FROM `yzn_category` WHERE `id` = 25 LIMIT 1 [ RunTime:0.000158s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `id` = 4 LIMIT 1 [ RunTime:0.000150s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000152s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 25 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000236s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000135s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000128s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 70 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000227s ]
[ SQL ] SELECT * FROM `yzn_category` WHERE `parentid` = 71 AND `status` = 1 ORDER BY `listorder` DESC,`id` ASC [ RunTime:0.000254s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000135s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000135s ]
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[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000136s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000127s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000129s ]
[ SQL ] SELECT * FROM `yzn_attachment` WHERE `id` = 0 [ RunTime:0.000148s ]
[ SQL ] SELECT * FROM `yzn_product` WHERE `catid` = 72 AND `id` <> 27 AND `status` = 1 ORDER BY rand() LIMIT 8 [ RunTime:0.000294s ]
[ SQL ] SELECT `path` FROM `yzn_attachment` WHERE `id` = 134 LIMIT 1 [ RunTime:0.000121s ]
[ SQL ] SELECT `path` FROM `yzn_attachment` WHERE `id` = 135 LIMIT 1 [ RunTime:0.000108s ]
[ SQL ] SELECT `path` FROM `yzn_attachment` WHERE `id` = 118 LIMIT 1 [ RunTime:0.000109s ]
[ SQL ] SELECT `path` FROM `yzn_attachment` WHERE `id` = 136 LIMIT 1 [ RunTime:0.000103s ]

0.063858s

扩音机

会议系统

ART W1008-S

ART W2016-S

ART1

ART W2018-S