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GLENSOUND BROADCASTERS MOBILE PHONES - 2G

Glensound Broadcasters' Mobile Phones make it simple to use the GSM network as an audio link for broadcast applications. These self-contained mobile phones are quad-band and have balanced, line-level connections, with XLR connectors, for ease of interfacing to broadcast mixers, recorders, or computers. The portable versions also have a dynamic microphone input.

Glensound 2G phones connect to a mobile network and offer an audio bandwidth of approximately 3kHz. They can make a call to a another mobile phone or a PSTN phone number. With PSTN, the audio contribution can be accepted by an existing telephone hybrid, coupler or a phone-in system. Alternatively a Glensound portable or rack-mounting mobile phone can be used to receive the call, either at fixed premises, or on location, say in a outside broadcast vehicle.

Glensound also offer 3G 'HD voice' mobile phones. These connect to 3G mobile phone services, as well as 2G. When connected to a 3G service offering 'HD voice', they provide a bandwidth of approximately 7kHz; a substantial increase in audio quality. However, in order to take advantage of the increased bandwidth, the call must be received by another 3G phone using 'HD voice'. Glensound 3G phones can be used to connect to PSTN or 2G phones, but in these cases the bandwidth increase is lost.

The 2G models are suitable for areas where 3G 'HD voice' services are simply not available, or it is not possible to have a 3G 'HD voice' phone at both ends of the connection, or that the enhanced audio quality is not required, perhaps for a cue feed.

A large LED flashes and a sounder, which can be switched off, rings to indicate incoming calls; there is a variable auto answer. A nine-memory phone-book offers access to stored numbers and a redial button can be used to call the last-called number. Audio circuits are shielded from radio frequency interference, so the self generated RF will not interfere with the audio. The phones connect to any quad-band network, 850MHz, 900MHz, 1800MHz and 1900MHz, for international compatibility. Audio bandwidth is 300Hz to 3.4kHz. A 6.35mm A/B gauge headphone socket is available for monitoring. The balanced, analogue, (XLR) audio input and output have separate controls for level adjustment. The aerial is connected by a standard SMA socket; different aerials may be connected. Power is supplied by 4x AA batteries in portable units, or, optionally, an external DC source. Rack mounting models mostly have an internal switch-mode supply, some are available as alternative models which accept DC power.

GS-MPI004 - Portable

This is constructed in a rugged aluminium case, with overhang protection of the front controls and a metal belt clip. There are also eyelets for attaching a shoulder strap or for anchoring to other equipment. The front panel contains the dialling keypad with nine-number phone book and the slot for a SIM card. Two large square buttons are used to dial or hang-up a call, each with LED status indicators. Configurable auto answer may be selected. There are separate level-controls for the input and output levels, +/- 10dB, and a volume control for the headphone monitoring. The right-hand side has two analogue, balanced, audio connections using XLRs. One connection is for a dynamic microphone at an input level of -54dBu, the other is line level at 0dBu. A switch selects between the two connectors to the single input. The analogue, balanced, output, again using an XLR connector, has a maximum level of +13dBu. An A/B gauge, 6.35mm jack socket provides an output for headphones of 200 - 2000 ohms impedance.

The rear panel has a battery tray for 4x AA batteries, providing an approximate run time of four hours. There is also a 2.5mm coaxial connector for an external power source, 9 to 12V DC. The left-hand side panel contains the power switch and the SMA aerial connector. RF power output: 2W. Dimensions: 45.7 x 148.6 x 138.4mm. Weight: 680g.

Included accessories: SMA aerial with right-angle connector.
Optional accessories: T-bar aerial, 2.5m cable; Mag-mount aerial, 3m cable; DC power supply, plug top; hard plastic carrying case.

GS-MPI005 - Rack mounting - Modular

This has a single GS-MPI005 Broadcaster's Mobile Phone fitted in a 1U frame to fit a 19 inch rack. Two further GS-MPI005/EP phones may be fitted into the unused spaces covered by blank panels. The front panel of the GS-MPI005/EP has the same facilities as the GS-MPI004, except the low-battery LED is absent and a jack socket is added for headphone monitoring. It has the dialling keypad with nine-number phone book and the slot for a SIM card. Two large square buttons are used to dial or hang-up a call, each with LED status indicators. Configurable auto answer may be selected. There are separate level controls for the input and output levels, +/- 10dB; a volume control sets the level for the A/B gauge 6.35mm jack socket for headphones of 200 - 2000 ohms impedance.

The rear panel has an XLR connector for the balanced, analogue, audio input at a line-level of 0dBu. There is also an XLR for the analogue, balanced, output which has a maximum level of +13dBu. The aerial connector is an SMA type. An IEC inlet accepts power: 100V - 240V AC. RF power output: 2W. Dimensions: 482 x 44 x 258 (w x h x d)mm, 1U rack mounting. Weight: 1.74kg, as supplied, with one phone.

Included accessories: T-bar aerial, 2.5m cable.
Optional accessories: Mag-mount aerial, 3m cable. Up to two extra phones, GS-MPI005/EP.

GS-MPI005 - DC powered

A DC powered version is available to special order. Please contact sales for assistance.

GS-MPI005/EP - Extra phone for GS-MPI005

Up to two additional GS-MPI005/EP modules can be added to a GS-MPI005 in the field. Details and specifications of the phone is as the phone fitted in the standard GS-MPI005.

GS-MPIFW - Rack mounting - With 2x 4-wire IFB comms circuits

The phone section on the right of the front panel is similar to the phone module in the GS-MPI005, with the overload light absent. The front panel contains the dialling keypad with ten-number phone book and the slot for a SIM card. Two large square buttons are used to dial or hang-up a call, each with LED status indicators. Configurable auto answer may be selected. There are separate level controls for the input and output levels, +/- 10dB. A volume knob controls the level of headphone monitoring of the mobile phone call, connected through an A/B gauge, 6.35mm, jack socket to headphones with 200 - 2000 ohms impedance.

On the left, for use with the 'four-wire' 'IFB' circuits, there is a speaker and a 6.35mm headphone socket, with level control, for use with headphones of 200 - 2000 ohms impedance. Inserting a headphone jack mutes the loudspeaker. These are used to monitor a mix of incoming audio from the two four-wire talkback inputs. The programme input may also be mixed into these, using a rotary control. An LED indicates when programme audio is present. A panel-mounted microphone is adjacent to an XLR connection for an optional external dynamic microphone. The choice of the panel or external microphone is selected by a toggle switch. After internal gain adjustment, the selected microphone feeds a limiter and then to the talkback switching, feeding the four-wire outputs.

Two identical sections in the middle of the panel are used to feed cue audio back to the two four-wire outputs. This 'cue' may be either the external programme input, or the incoming audio from the mobile phone, or the incoming feed from the four-wire line, which can be fed straight back (foldback) to the outgoing feed. Each section has a rotary control to set the mix level of the incoming four-wire feed in the loudspeaker and headphones; an LED indicates when audio is present. A three-position toggle switch sets the source of the cue audio, programme, phone or foldback. A two position toggle turns the 'cue' on and off. A paddle switch has three positions; it locks in the upper one, sending the microphone signal continuously to the four-wire output. The lower position is momentary, performing the same function when held down. In the centre, any cue selected is fed to the output with no talkback. A further toggle switch selects whether the cue is 'cut' when the talkback key is operated, or the cue and talkback signals are mixed to feed the output.

The rear panel has a section for the phone, with the balanced line-level analogue audio connections, input at 0dBu, output with a maximum level of +13dBu, both using XLR connectors. The aerial connector is an SMA type. Again on the rear panel the programme input (0dBu, balanced) is a 3-pin female XLR. Two pairs of one female and one male XLR provide the two, balanced, four-wire inputs (0dBu) and outputs (+13dBu maximum) respectively. There is also a 9-pin D-sub connector for connection of indicators or external switching when talkback 1 and 2 are on. An IEC inlet takes 100 - 240V AC. RF power output: 2W. Dimensions: 486 x 208 x 44 (w x d x h)mm; 1U rack mounting. Weight: 2kg.

Included accessories: T-bar aerial, 2.5m cable.
Optional accessories: Mag-mount aerial, 3m cable.

GS-MPIFW - DC powered

A DC powered version is available to special order. Please contact sales for assistance.

GS-MPI006 - Rack mounting - Two phones - With 2x ISDN Codecs

This is a rack mounting unit with two phones and a Glensound GS-GC9 ISDN module. This contains two independent codecs that can operate with the G711 or G722 algorithms. G711 allows connection to normal telephones, and G722 allows connection to ISDN circuits as a 7.5kHz mono circuit. There are no ISDN controls on the GS-MPI006 itself. Control is via DTMF tones on the audio inputs. A GS-GC10 handheld dialler is provided for this purpose. ISDN call setup and status is relayed via spoken status messages that come from the audio outputs.

It has two sections on the front panel for the two phones. These are similar to the phone module in the GS-MPI005, with the overload light absent. The front panel contains the dialling keypad with ten-number phone book and the slot for a SIM card. Two large square buttons are used to dial or hang-up a call, each with LED status indicators. Configurable auto answer may be selected. There are separate level controls for the input and output levels, +/- 10dB. A volume knob controls the level of headphone monitoring of the mobile phone call, connected through an A/B gauge, 6.35mm, jack socket to headphones with 200 - 2000 ohms impedance.

A section of the front panel is devoted to ISDN connections. An RJ45 socket provides the S-bus connection for the ISDN. LEDs indicate if DTMF signals are received, the ISDN line is present and if the CODEC is locked, for each port. A country selection dial allows selection of the country network type, and a 9-pin D-sub connector provides an RS232 connection for remote control. There are two pairs of audio connections, one for each codec. On the front panel there are analogue audio inputs and outputs using bantam connections. These are parallel connected to balanced XLR connectors on the rear.

On the rear there are two sets of connections for each of the two phones. Each has balanced, analogue, line level audio input (0dBu) and output (+13dBu maximum) using XLR connectors. Each aerial connector is an SMA type. Two pairs of XLR connectors provide the inputs and outputs parallel connected to the codec module. An IEC inlet takes 100 - 240V AC. RF power output: 2x 2W. Dimensions: 486 x 256 x 44 (w x d x h)mm; 1U rack mounting. Weight: 1.74 kg.

Included accessories: 2x T-bar aerials, 2.5m cables. GS-GC10 DTMF dialler, 1x bantam to bantam cable.
Optional accessories: Mag-mount aerial, 3m cable.

GS-MPI006 - DC powered

A DC powered version is available to special order. Please contact sales for assistance.

GS-MPITBU001 - Rack mounting - With telephone hybrid

This has a mobile phone and a digital telephone hybrid for use with analogue telephone lines (POTS). It offers a means of providing redundancy for an important link or line connection. There is only a single mono input and output: A rocker switch on the front panel selects whether these are connected to the mobile phone or the hybrid. The mobile phone section on the right of the front panel is similar to the phone module in the GS-MPI005, with the overload light absent. The front panel contains the dialling keypad with ten-number phone book and the slot for a SIM card. Two large square buttons are used to dial or hang-up a call, each with LED status indicators. Configurable auto answer may be selected. There are separate level controls for the input and output levels, +/- 10dB. A volume knob controls the level of headphone monitoring of the mobile phone call, connected through an A/B gauge, 6.35mm, jack socket to headphones with 200 - 2000 ohms impedance. The digital hybrid is on the left side of the front panel. A keypad and a single on/off hook switch is used to dial and receive calls. A large green LED illuminates when connected and turns off when disconnected. A sounder, which can be disabled for studio environments, provides indication of incoming calls. There are separate level controls for the input and output levels of the hybrid. The switch to select which link - the mobile phone or the hybrid - is in use is a large paddle switch, located centrally. LEDs indicate which is in use.

The rear panel has a female and a male XLR providing the balanced, analogue, line-level, audio input (0dBu) and output (+13dBu maximum). The antenna connection to the mobile phone is an SMA type. An RJ11 socket accepts the connection to a standard analogue telephone. A screwdriver operated switch selects between 13 different country settings to set line impedance levels. An IEC inlet accepts 100-240V AC. RF power output: 2W. Dimensions: 486 x 223 x 44(w x d x h)mm; 1U rack mounting. Weight: 1.78 kg.

Included accessories: T-bar aerial, 2.5m cable.
Optional accessories: Mag-mount aerial, 3m cable.

GS-MPITBU001 - DC powered

A DC powered version is available to special order. Please contact sales for assistance.

GS-MPITBU002 - Rack mounting - With line-powered telephone hybrid

This is a single mobile phone in the same rack mounting case as an independent line-powered telephone balancing unit: The two are completely independent in operation. The mobile phone section on the left of the front panel is similar to the phone module in the GS-MPI005, with the overload light absent. The front panel contains the dialling keypad with ten-number phone book and the slot for a SIM card. Two large square buttons are used to dial or hang-up a call, each with LED status indicators. Configurable auto answer may be selected. There are separate level controls for the input and output levels, +/- 10dB. A volume knob controls the level of headphone monitoring of the mobile phone call, connected through an A/B gauge, 6.35mm, jack socket to headphones with 200 - 2000 ohms impedance.

On the right of the front panel there is a line-powered GS-PASTE 201 telephone balancing unit. This is a manually-balanced TBU, requiring no power supply as power is received from the analogue (POTS) telephone line. It provides a balanced, line-level audio input to and output from the telephone line. A large switch provides for on hook, off hook operation, with an adjacent LED to indicate an incoming call; a switch selects the ringer to be on or off. A recessed button enables a noise source. This facilitates the impedance matching of the analogue phone line using the three, capacitance, resistance, and balance controls. Instructions are printed on the panel to assist with this. Two rotary controls set the audio send and receive levels. A tri-colour LED indicates blue for off-hook, green for -10dB or red for -3dB referred to nominal phone line level.

The rear panel has a section associated with the mobile phone; This has an XLR connector for the balanced, analogue, audio input at a line-level of 0dBu. There is also an XLR for the analogue, balanced, output which has a maximum level of +13dBu. The aerial connector is an SMA type. The section concerning the telephone balancing unit has an XLR connector for the balanced, analogue, audio input at a line-level of 0dBu. There is also an XLR for the analogue, balanced, output which has a maximum level of +8dBu. Two RJ11 sockets accept the connection to a standard analogue telephone (POTS) line, and a handset for dialling. RJ11 pairs can be selected between 2/5 or 3/4 for compatibility. A 4-pin male XLR provides the power inlet from a 12V external DC source. RF power output: 2W. Dimensions: 486 x 212 x 44(w x d x h)mm high; 1U rack mounting.

Included accessories: T-bar aerial, 2.5m cable.
Optional accessories: Mag-mount aerial, 3m cable, 100-240V power supply.

  Description Price (£) Add to basket
GLENSOUND GS-MPI004 MOBILE PHONE 2G GSM, Portable   Stock code:
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£900.00
GLENSOUND GS-MPI004/PSU POWER SUPPLY For GS-MPI004 mobile phone, plug-top, UK   Stock code:
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£38.75
GLENSOUND GS-MPI005 MOBILE PHONE 2G GSM, Rack mounting, with 1x phone module   Stock code:
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£1,000.00
GLENSOUND GS-MPI005/EP MOBILE PHONE MODULE 2G GSM, extra for GS-MPI005   Stock code:
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£800.00
GLENSOUND GS-MPIFW MOBILE PHONE 2G GSM, Rack mounting, with 2x 4-wfire IFB circuits   Stock code:
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£2,500.00
GLENSOUND GS-MPI006 MOBILE PHONE 2G GSM, Rack mounting, twin, with 2x ISDN CODECS   Stock code:
No longer manufactured. See the product page for suggested alternatives.
GLENSOUND GS-MPITBU001 MOBILE PHONE 2G GSM, Rack mounting, with digital POTS hybrid   Stock code:
Please login for stock availability and lead times.
£1,900.00
GLENSOUND GS-MPITBU002 MOBILE PHONE 2G GSM, Rack mounting, with line-powered TBU   Stock code:
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£1,500.00
GLENSOUND GS-MPIHD/ATN2 ANTENNA T-Bar, for 3G UMTS mobile phone, 2.5m cable   Stock code:
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£25.00
GLENSOUND GS-MPIHD/ATN3 ANTENNA Mag-mount, for mobile phone, 3m cable   Stock code:
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£25.00