Parts list of NH1B SMD VARIATION MODULE 02012701 – 7. . . . .
Variant
Page No
Issue 2 05/99
Page 1 – 3
THF-12
PAMS
Variant
Introduction
Functional Description
The transceiver electronics consist of UI module PCB and RF/system PCB.
UI module is connected to system module with a connector. System and rf
submodules are interconnected with PCB wiring. Unit can be connected to
accessories with a bottom system connector, which includes charging and
accessory control.
RF block is designed for a hand portable phone, which operates in NMT450
systems. Purpose of the RF module is to receive and demodulate radio frequency signal from the base station and to transmit a modulated RF signal
to the base station.
Modules
Transceiver THF–120502069
• system module NH10201270
• software module 0240623
• display module NU10201258
• mechanics MTHF120261827
Technical Documentation
Swap package0068939
RF Characteristics
CharacteristicValue / Comments
RX Frequency range462.500...467.475 MHz
TX Frequency range452.500...457.475 MHz
Channel spacing25 kHz
Number of channels200 (181...200 / 1...180)
TX Frequency deviation≤± 4.7 kHz (± 5 kHz with 4 kHz supervisory sig-
Parts list of NH1B VARIATION MODULE 0201275 1 – 7. . . . . . . . . .
Variant
Page No
Issue 2 05/99
Page 1 – 3
THF–12B
PAMS
Variant
Introduction
The appendix comprises an exploded view of the THF–12B variant for
Bulgaria (including a list of assembly parts) plus component parts lists
covering the system module and the display module.
Functional Description
The transceiver electronics consist of UI module PCB and RF/system PCB.
UI module is connected to system module with a connector. System and rf
submodules are interconnected with PCB wiring. Unit can be connected to
accessories with a bottom system connector, which includes charging and
accessory control.
RF block is designed for a hand portable phone, which operates in NMT450
systems. Purpose of the RF module is to receive and demodulate radio frequency signal from the base station and to transmit a modulated RF signal
to the base station.
Technical Documentation
Modules
Transceiver THF–12B0502078
• system module NH1B0201265
• software module 0240623
• display module NU10201258
• mechanics MTHF12B0261841
Swap package0068942
RF Characteristics
CharacteristicValue / Comments
RX Frequency range462.500...467.475 MHz
TX Frequency range452.500...457.475 MHz
Channel spacing25 kHz
Number of channels200 (181...200 / 1...180)
TX Frequency deviation≤± 4.7 kHz (± 5 kHz with 4 kHz supervisory sig-
Parts list of NH1P variation module 0201268 1 – 7. . . . . . . . . . . . . .
Variant
Page No
Issue 2 04/99
Page 1 – 3
THF–12C
PAMS
Variant
Introduction
The appendix comprises an exploded view of the THF–12C variant for
Czech Republic and Slovakia (including a list of assembly parts) plus
component parts lists covering the system module and the display
module.
Functional Description
The transceiver electronics consist of UI module PCB and RF/system PCB.
UI module is connected to system module with a connector. System and rf
submodules are interconnected with PCB wiring. Unit can be connected to
accessories with a bottom system connector, which includes charging and
accessory control.
RF block is designed for a hand portable phone, which operates in NMT450
systems. Purpose of the RF module is to receive and demodulate radio frequency signal from the base station and to transmit a modulated RF signal
to the base station.
Technical Documentation
Modules
Transceiver THF–12C0502071
• system module NH1C0201260
• software module 0240623
• display module NU10201258
• mechanics MTHF12C0261836
Swap package0068943
RF Characteristics
CharacteristicValue / Comments
RX Frequency range461.310...465.730 MHz
TX Frequency range451.310...455.730 MHz
Channel spacing20 kHz
Number of channels222 (222...1)
TX Frequency deviation≤± 3.75 kHz (± 4.05 kHz with 4 kHz supervisory signal)
FFSK deviation
• 1200 Hz (”1” frequency)± 2240 Hz
• 1800 Hz (”0” frequency)± 3360 Hz
Page 1 – 4
Issue 2 04/99
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