Abstract: A paging communication system providing functions of two-way communication and control (supervisory) for one-way pager groups, comprises a monitoring server having functions of monitoring pager status/dispatch/response/tracking for control and two-way communication between a controller (managers)/commander of an emergency rescue group and pagers of all group members; the group of using pagers can access to the monitoring server for registration via Internet; after linking to the monitoring server, the controller of the pager group and all group members can transmit messages, such as dispatch messages and Ack messages, to the monitoring server in process of classification/statistics and storage in a database, and then the controller can access to the database via Internet to search and look at each message, and also each group member can retrieve the paging messages from the monitoring server via GSM/GPRS system; the group which has logged in the monitoring server has the ability of two-way communication.

Abstract: A portable or vehicle radio of a two-way radio system for use by a group is generally in direct call mode as a generic radio. Once a communication range is needed to be expanded under a condition of no available repeater, a group commander is able to designate a two-way radio most suitable for functioning as a signal repeater according to GPS location through over-the-air programming or manual control to expand the communication range. The signal repeater retransmits signals being received through time division multiple access (TDMA) over a same channel at different time slots that provides a function of expanding a communication range as a conventional dual-band repeater transmitting signals over uplink and downlink bands does. Therefore, the present invention functions as a generic radio, so as to become a mobile disposal system for providing temporary, emergent and expanded communication range when an emergency is occurred.

Abstract: A group two-way radio system, in a condition of failing to obtain a GPS standard map, is capable of utilizing a console to control a computer to convert any paper map or electronic map not in compliance with a GPS standard to be an electronic map drawing file in compliance with the GPS standard. The map drawing file is transmitted through a RF repeater over an existing RF channel to one or multiple two-way radios in the group so as to enable the two-way radio to perform a method of group positioning and displaying based on the map drawing file.

Abstract: A method for members of an emergency rescue group utilizing radios to transmit compound files containing compressed photo/text/voice data of an emergency event site directly or through a signal repeater to a console for reappearance of the event site, includes: the radio capable of creating a compound file containing pictures of the emergency event site, GPS coordinates of where the pictures are taken, and a voice description of an on-site situation or the photos, and transmitting the compound file over an existing channel directly or through a signal repeater to the console at a rescue center, so as to allow the console receiving the compound file to reappear a real situation of the event site and to improve the efficiency of dispatching and commanding personnel, medical or material resources conducted by public security rescue units or military units.

Abstract: A group two-way radio system, in a condition of failing to obtain a GPS standard map, is capable of utilizing a console to control a computer to convert any paper map or electronic map not in compliance with a GPS standard to be an electronic map drawing file in compliance with the GPS standard. The map drawing file is transmitted through a RF repeater over an existing RF channel to one or multiple two-way radios in the group so as to enable the two-way radio to perform a method of group positioning and displaying based on the map drawing file.

Abstract: A communication system and method for dispatch service is suitable for RF communication system of a group, wherein the mobile device receives dispatch services of paging message on the first channel, then executes quick reply function via 2-Way Radio or GSM network, so as to transmit text or voice message to the dispatch center; the mobile device also comprises a channel scanning function and a double frequency scanning function, of which the channel scanning function is used to monitor and select a second channel and write into the device, and then the double frequency scanning function is executed to transmit message on the second channel.

Abstract: An apparatus for receiving voice message of the text pager, the pager are used to receive text messages from sender, particularly to the pager was installed an audio processing modules and for listen to the voice message over the target channel. The pager will burn into a plurality of private channels that to forming a channels list inside thereof, provide for user can obtain an target channel from the channels list which use method of manually select or channel scan, which to listen to the analog/digital voice message associated with the dispatch events.

Abstract: A communication system and method for dispatch service is suitable for RF communication system of a group, wherein the mobile device receives dispatch services of paging message on the first channel, then executes quick reply function via 2-Way Radio or GSM network, so as to transmit text or voice message to the dispatch center; the mobile device also comprises a channel scanning function and a double frequency scanning function, of which the channel scanning function is used to monitor and select a second channel and write into the device, and then the double frequency scanning function is executed to transmit message on the second channel