USER MANUAL Product name : 5W Transceiver Model : TX125 , TX125-EN
FCC Warning Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part 15 of the FCC Rules.
Declaration of Conformity for R&TTE directive 1999/5/EC Essential requirements – Article 3 Protection requirements for health and safety – Article 3.1a Testing for electric safety according to EN 60950-1 has been conducted. These are considered relevant and sufficient. Protection requirements for electromagnetic compatibility – Article 3.1b Testing for electromagnetic compatibility according to EN 301 489-1 and EN 301 489-17 has been conducted. These are considered relevant and sufficient.
WARNING This Machine is a high-power and high-radiation product. When user installs the antenna and operates this product , It must be 50cm or above the distance far away form the human body. Attention Transmitter N Be aware at following situations ,which will help to extend the life cycle of transmitter: N Don't change transmitter or tamper with its original appearance. N Don't put transmitter close to a heat source or in light direct sun.
TX-125 Outlook TX-125 Outlook
Function \ Location Function \ Location Antenna (BNC 50 Ohm) Fixed support Power Connect Rs232 D-SUB 9 pin (Female) PWR (Orange) Power LED TX (Red) Transmit LED
TX-125 Internal structure Internal structure 25
System Specifications : l buttons ControSpecifications System 1. Frequency Rang : UHF=440MHz~470MHz 2. Channel Spacings : 12.5KHz , 25KHz 3. RF Output Power : 5W , 2W 4. Modulation Type : F1D , 5. Intermediate Frequency : 45MHz & 450KHz 6. Number of Channels : 16 7. Frequency Source : Synthesizer 8. Power Supply : DC 10V~14V 9. Temperature Range : -30c~50c 10.
Transmitter : Hi : 5W+/-1dB , Low : 2W+/-1dB . 2. Frequency Error : +/-2.5ppm 3. Frequency Deviation 25KHz Channel Spacing : 5KHz~3.8KHz(Peak) 12.5KHZ Channel Spacing : 2.5KHz~1.8KHz(Peak) 4. Audio Frequency Response : 300Hz~2.5KHz-6dB 5. Adjacent Channel Power : <70dBc 6. Conducted Spurious Emission : -57dBc System Specifications 1.
Receiver System Specifications 1. Sensitivity (@12dB SINAD) : <-118dBm 2. Adjacent Channel Selectivity 25KHz Channel Spacing : >60dB 12.5KHZ Channel Spacing : >52dB 3. Spurious Response Rejection :70dB 4. Image Response : >70dB 5. IF Response :>70dB 6. Intermodulation Response Rejection +/-25kHZ/50kHZ : 65dB +/-50kHZ/100kHZ : 65dB 7. AF Distortion :<5% 8.
System Specifications 1.I /o PORT : DB-9 Connector PIN 1.-----PTT PIN 2.-----TXD PIN 3.-----RXD PIN 4.-----Audio MOD IN PIN 5.-----GND PIN 6.-----Carrier DET OUT PIN 7.-----Digital MOD IN PIN 8.-----RTS PIN 9.-----Audio OUT 2.PTT Input Level : 0-5V (TTL) 3.Digital Modulation Input Level :0-5V (TTL) 4.Audio Modulation Input Level : 1Vp-p@1kHz 5.Audio Output Level : 1vp-p@8 OHM Load 6.Carrier DET Output Level : 0-5 V (TTL) 7.TX IND Output Level : 0-5V (TTL) 8.
TX-125 I/O PORT DESCRIPTION 1. CONNECTER J2 PIN 1. PTT control input. TTL level ,active low. I/O PORT DESCRIPTION 2. PIN 2,3,7,8. Digital modulation signal input (pin7) and RS-232 input (pin2,3,8). Digital modulation signal use TTL level or +/-12v , change by J2 and J3 setting.
3. PIN 4. Analog input . Analog modulation input , 1V p-p for +/-4kHz deviation. I/O PORT DESCRIPTION 4. PIN5. GND. Input signal reference point. PIN6.Carrier detect output. Indicate on the receiver frequency have a signal . TTL level active low. The trigger level can setting by programmer software.
I/O PORT DESCRIPTION 5. PIN 9. Audio output. Demodulation signal output. Output level is 1vp-p @1kHz sin wave, 4kHz deviation.
ANALOG MODULATION FREQUENCY RESPONSE Analog Modulation Frequency Response +10 +8 +6 +4 +2 +0 -2 -4 -6 -8 -10 -12 d B r -14 -16 A -18 -20 -22 -24 -26 -28 -30 -32 -34 -36 -38 -40 10 20 50 100 200 500 Hz 1k 2k 5k 10k
