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 radio communication system having functions of replying status information and remote control, includes a console and a plurality of radio terminals, wherein each of the radio terminal is capable of transmitting corresponding Ack message about an operation status thereof to the console over a mobile communication system, if the operation status is changed. After receiving the Ack message, the console automatically or manually transmits corresponding message or a control command to the radio terminal to change the operation status of the radio terminal. Furthermore, when transmitting dispatch message, the console is capable of storing the dispatch message simultaneously in a server so as to allow the radio terminal to access the server and retrieve the stored dispatch message.

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 radio communication system having functions of replying status information and remote control, includes a console and a plurality of radio terminals, wherein each of the radio terminal is capable of transmitting corresponding Ack message about an operation status thereof to the console over a mobile communication system, if the operation status is changed. After receiving the Ack message, the console automatically or manually transmits corresponding message or a control command to the radio terminal to change the operation status of the radio terminal. Furthermore, when transmitting dispatch message, the console is capable of storing the dispatch message simultaneously in a server so as to allow the radio terminal to access the server and retrieve the stored dispatch message.

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 of creating a map for use in a two-way radio device, includes steps of: a. creating a map template by downloading from a personal computer (PC) or scanning a map sheet; b. receiving coordinates of at least two reference points through a Global Positioning System (GPS) by the PC; c. correspondingly marking and combining the at least two reference points on and with the map template through a map edit program so as to create at least a geographic drawing in electronic format, which is stored in a map database of the PC; d. providing a map data file for the two-way radio device for storing geographic drawings searched from the map database; and e. retrieving a desired geographic drawing from the geographic drawings by the two-way radio device, and displaying the desired geographic drawing on a screen of the two-way radio device to enable the GPS positioning.

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: A pager having a call-back function is capable of transmitting an acknowledgement (Ack) of a paging message to a console via a Global System for Mobile Communications (GSM) network, and includes an automatic linking program for linking the pager to at least a remote communication device via the GSM network to enable a two-way communication, based on a communication address designated in the received paging message or pre-stored in the pager, and therefore improve communication ability of the pager.

Abstract: A pager with multiple response programs capable of acknowledging receipt of messages by transmitting an acknowledgement, wherein the pager is capable of automatically transmitting an acknowledgement (Ack) message to a console (or a dispatching center) when receiving a call alert signal, and is capable of manually transmitting an Ack message of obtaining and reading a dispatching message to the console when receiving the dispatching message (or a paging message), and is capable of manually or automatically selecting an Ack message from a responding list pre-stored in the pager and transmitting the Ack message being selected to the console. Furthermore, the pager is capable of accessing a server of the console to retrieve a dispatching message when the pager transmits an Ack message to the console.

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.