Motorola GM950 User manual
Band Specific Information 5-i
Chapter 5
Band Specific Information
Table of Contents
Table of Contents
Chapter Page
5A UHF (403-470MHz) ............................................................................. 5A.1-i
5B VHF (136-174MHz) .............................................................................. 5B.1-i
5C Midband (66-88MHz)............................................................................5C.1-i
Table of Contents
5-ii Band Specific Information
66-88MHz Specific Information 5C-i
Chapter 5C
66-88MHz Specific Information
Table of Contents
Table of Contents
Chapter
5C.1 Model Chart andTest Specifications
5C.2 Radio Tuning Procedure
5C.3 Theory of Operation
5C.4 PCB/Schematic Diagrams and Parts Lists
Table of Contents
5C-ii 66-88MHz Specific Information
Model Chart and Test Specifications 5C.1-i
Chapter 5C.1
Model Chart and Test Specifications
Table of Contents
Table of Contents
Paragraph Page
1.0 Overview..................................................................................................... 1
2.0 Model Chart................................................................................................ 1
2.1 Service Options ........................................................................................... 2
3.0 Test Specifications .................................................................................... 3
3.1 General........................................................................................................ 3
3.2 Transmitter................................................................................................... 3
3.3 Receiver....................................................................................................... 4
3.4 Self-quieting Frequencies............................................................................ 4
Table of Contents
5C.1-ii Model Chart and Test Specifications
Overview
Model Chart and Test Specifications 5C.1-1
1.0 Overview
This chapter lists the Midband (66-88MHz) models and technical specifications available for the
GM950 mobile radio.
2.0 Model Chart
Description
GM950 66-88MHz 12.5 kHz 25W HHCM
GM950 66-88MHz 12.5 kHz 25W
GM950 66-88MHz 12.5 kHz 25W D
GM950 66-88MHz 12.5 kHz 25W KD
GM950 66-88MHz 20/25 kHz 25W HHCM
GM950 66-88MHz 20/25 kHz 25W
GM950 66-88MHz 20/25 kHz 25W D
GM950 66-88MHz 20/25 kHz 25W KD
GM950
66-88 MHz Midband
X = Indicates one of each required
Model
M08FHF4AN1_N
M08FHE4AN2_N
M08FHF4AN3_N
M08FHH4AN4_N
M08FHF6AN1_N
M08FHE6AN2_N
M08FHF6AN3_N
M08FHH6AN4_N
Item Description
XXXXXXXXGBN6147_ Packaging Kit
X X GMN6151_ Hand Held Control Microphone N1
X X GCN6106_ Control Head Model N2 Non-Display
X X GCN6107_ Control Head Model N3 Display
X X GCN6108_ Control Head Model N4 Keypad/Display
XXXXXXXXGLN7324_ Low Profile Trunnion Kit
XXXXXXXXGMN6146_ Enhanced Compact Microphone
XXX GUC1206_ RF & HSG MB 12.5kHz 5-25W
XXX GUC1207_ RF & HSG MB 20/25kHz 5-25W
XGUC1208_ RF & HSG MB 12.5kHz 5-25W
XGUC1209_ RF & HSG MB 20/25kHz 5-25W
XXXXXXXXGKN6270_ Power Cable
XXX XXX 68P64110B02 GM950 User Guide M/L (N2/N3 Models)
X X 68P64110B06 GM950 User Guide M/L (N4 Model)
5
C
.
1
Model Chart
5C.1-2 Model Chart and Test Specifications
2.1 Service Options
Description
GM950 66-88MHz 12.5 kHz 25W HHCM
GM950 66-88MHz 12.5 kHz 25W
GM950 66-88MHz 12.5 kHz 25W D
GM950 66-88MHz 12.5 kHz 25W KD
GM950 66-88MHz 20/25 kHz 25W HHCM
GM950 66-88MHz 20/25 kHz 25W
GM950 66-88MHz 20/25 kHz 25W D
GM950 66-88MHz 20/25 kHz 25W KD
GM950
66-88 MHz Midband
X = Indicates one of each required
Model
M08FHF4AN1_N
M08FHE4AN2_N
M08FHF4AN3_N
M08FHH4AN4_N
M08FHF6AN1_N
M08FHE6AN2_N
M08FHF6AN3_N
M08FHH6AN4_N
Item Description
XENUC1000AS GM950 MB 12.5kHz MD234AD
XENUC1001AS GM950 MB 25kHz MD214AD
XENUC1052AS GM950 MB 12.5kHz MD234AA
XENUC1053AS GM950 MB 25kHz MD214AA
XENUC1054AS GM950 MB 12.5kHz MD234AB
XENUC1054AS GM950 MB 25kHz MD214AB
XENUC1007AS GM950 MB 12.5kHz MD234AE
XENUC1008AS GM950 MB 25kHz MD214AE
Technical Specification
Model Chart and Test Specifications 5C.1-3
3.0 Technical Specification
3.1 General
3.2 Transmitter
SPECIFICATION ITEM TYPICALVALUE
Frequency Range Midband: 66-88 MHz
Channel Spacing 12.5 or 20/25 kHz
Frequency Stability ±5ppm
Power Supply 10.8 to 15.6V dc, negative earth
Dimensions 44x168x160 mm (HxWxD)
Weight 1030g
Operational Temperature - 25°C to + 55°C
Storage Temperature - 40°C to + 85°C
Antenna Connection 50ΩBNC
Environmental
- Mechanical
- Electrical
Vibration IEC 68/2/27 and Shock IEC 28/2/6
European Dust & Water protection IP54
ETS300-086 RF Specifications
ETS300-113 Cyclic Keying Requirements
ETS300-279 EMC Requirements
ETS300-219 Signalling
SPECIFICATION ITEM TYPICALVALUE
Channel Spacing 12.5 or 20/25 kHz
Output Power 5-25W
Modulation Limiting <±2.5kHz (12.5kHz); <±4kHz (20kHz);
<±5kHz (25kHz)
FM hum & noise (CCITT) >40dB (12.5kHz); >45dB (25kHz) CCITT
Conducted/Radiated Emission <0.25uW (0.1...1000MHz); <1uW (1...4GHz)
Adjacent Channel Power <-60dB (12.5kHz); <-70dB (25kHz)
Audio Response (300 - 3000 Hz) Flat or pre-emphasised
Audio Distortion <5% @ 1kHz, 60% deviation
Transmit turn on time <25msec
Technical Specification
5C.1-4 Model Chart and Test Specifications
3.3 Receiver
3.4 Self-Quieting Frequencies
Self-quieting frequencies are frequencies that are also generated by the radio and cause internal
interference.On these frequencies the interference caused by the self-quieter spur is great enough
that a radio will not meet its receiver sensitivity specification.
The frequencies are: Midband 67.2, 83.78 and 84MHz.
SPECIFICATION ITEM TYPICALVALUE
Channel Spacing 12.5 or 20/25 kHz
Sensitivity @ 12.5 kHz < 0.35uV (12dB SINAD)
Sensitivity @ 25 kHz < 0.35uV (12dB SINAD)
Intermodulation >65dB ETS; >70dB with Base Option
Adjacent Channel Selectivity >60dB (12.5kHz); >70dB (20/25kHz) ETS
Spurious Rejection >70dB ETS
Audio Distortion @ Rated Audio <5%
Hum and Noise (CCITT) >40dB (12.5kHz); >45dB (20/25kHz) CCITT
Audio Response (300 - 3000 Hz) Flat or De-Emphasised
Co-channel Rejection <12dB (12.5kHz) , <8dB (20/25kHz) ETS
Conducted /Radiated Emission <2nW (0,1..1000MHz); <20nW (1..4GHz)
Receive after transmit time <25msec
Audio Output Power 4W (internal speaker); <13W external
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