No.111368
作者：chinaic
邮件：pyq668@163.com
ID：96318
登陆：24次
文章数：10篇
最后登陆IP：119.139.137.196
最后登陆：2016/1/31 18:02:12
注册：2008/3/31 12:49:58
财富：210
发帖时间：2016/1/31 18:02:12
发贴者IP：119.139.137.196
标题：chinaic:DMR digital intercom module[分享]
摘要：No.111368DMR digital intercom module[分享] Digital Mobile Radio
DMR Digital Radio
DMR digital intercom module
Use digital intercom module with the DMR standard, support simplex voice, acknowledged unacknowledged data SMS communication. This module internally installed high‐powered RF transceiver chip, RF power amplifier, and DMR digital intercom chip. The external MCU can set the working parameter of the module by the standard asynchronous serial port communication and control the working state of the module. Only an external antenna, a microphone and a voice amplifier are needed forthe module to form a complete DMR digital interphone. 1. Application Fields
Miniaturization digital interphone
Digital communication system of mobile phone
2.Characteristics
FrequencyRange： 400~470MHz
FrequencySpace： 12.5kHz
RF output power： high power 2W， low power 0.5W
SupplyVoltage： 4V
HighReceivingSensitivity： ?‐118dBm
Supportwriting‐frequency
Support the DMR protocol and compatible with traditional analog intercom mode
The following businesses are supported underthe mode of DMR
Support group calling, individual calling, general calls
Support acknowledged/unacknowledged SMS communication and status short
message
Support calling/called detection
Support call alert
Support remote monitoring
Sup ......
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