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  Home >> In House Paging >> TX 125 EN, Transmitter with Built in Encoder RS232 PC Programable

TX 125 EN, Transmitter with Built in Encoder RS232 PC Programable
5 Watts Transmitter with the bulit in Encoder and S232 input5 Watts Transmitter with the b ...

Frequency Rang : VHF =146MHz ~ 170MHz , UHF=450MHz ~ 470MHz .

Channel Spacings : 12.5K /25k Hz

RF Output Power : Hi : 5W/2W Lo : 1W/0.5W/0.1W , by tuning

Modulation Type : F3D, F3E

Intermediate Frequency :45MHz & 450KHz

Number of Channels :16 channels ( 4 dip switch selectable )

Frequency Source : Synthesized

Power Supply : DC 10V ~ 15V, 12 V typical

Temperature Range :-30 C ~ 60 C

Current Consumption

Standby : < 50mA

TX (5W) : < 2A

TX (1W) : < 1A

TRANSMITTER

Carrier Power

HI : 5W/2W +/- 0.5dB

LOW : 1W +/- 0.5dB

Frequency error :+/- 5 ppm @VHF , +/- 3ppm@UHF

Frequency Deviation

25kHz Channel Spacing : 5 kHz ~ 3.8 kHz (Peak)

12.5kHz Channel Spacing : 2.5 kHz ~ 1.8 kHz (Peak)

Audio Frequency Response : 100Hz ~ 2.5 kHz -6dB

Adjacent Channel Power : < 70dBc

Conducted Spurious Emission : -57dBc

RECEIVER

Sensitivity (@ 12dB SINAD) : < -115dBm

Adjacent Channel Selectivity

25kHz Channel Spacing : > 60dB

12.5kHz Channel Spacing : > 50dB

Spurious Response Rejection : 70dB

Image Response : > 70dB

IF Response : > 70dB

Intermediation Response Rejection

+/-25 kHz/50 kHz : 65dB

+/-50 kHz/100 kHz : 65dB

AF Distortion : < 5%

LO Frequency Temperature Stability: < 3ppm

Power Jack : 2 Pins

Power ? +? : DC 9V ~ 15V

Power Gnd ?-? : Gnd

I/O PORT : 9 Pins : DB-9 Connector

PIN.1---------PTT

PIN.2---------TXD

PIN.3---------RXD

PIN.4---------Carrier DET OUT

PIN.5---------GND

PIN.6---------CTS

PIN.7--------- Digital MOD IN

PIN.8--------- Audio MOD IN

PIN.9--------- Audio OUT

PTT Input Level : 0-5V (TTL)

Digital Modulation Input Level : 0-5V (TTL)

Audio Modulation Input Level : 1Vp-p @1kHz

Audio Output Level : 2V p-p @ 8 OHM Load

Carrier DET Output Level : 0-5V(TTL)

TX IND Output Level : 0-5V(TTL)

TXD & RXD Level : +/- 12V (RS-232)

Programming this device through special cable ( only 3 wire connected :TXD , RXD ,GND others open ) but direct RS232 level , Don?t need special programming device for programming .

PTT timeout feature: 0 ~ 250 seconds, Cycling PTT signal reenable RF output, 0 for disable timeout.


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