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PRODUCT : CDMA/EVDO WIRELESS MODEM

 

 

MODEL NAME : LTD-VH1000

 

 

 

 

 

1.

 

Overview 

2. Major    Features

 

3. Interface 

4. Electrical Specifications 

5. RF Specifications 

6. Mechanical Specification 

7. General Specification 

8. Parts Map 

9. Connector 

10. Antenna Specification 

11, RFx information 

Summary of Contents for LTD-VH1000

Page 1: ...EM MODEL NAME LTD VH1000 1 Overview 2 Major Features 3 Interface 4 Electrical Specifications 5 RF Specifications 6 Mechanical Specification 7 General Specification 8 Parts Map 9 Connector 10 Antenna Specification 11 RFx information ...

Page 2: ...DO operating mode It can be communicated with uplink 1 8Mbps downlink up to 3 1Mbps data transfer speed such as a movie or a video call It may be able to receive large amounts of data Standard RS 232 port and USB port communicating with the host system via AT command or control commands can be used to send data Voice calls are possible 1 1 Product description The LTD VH1000 module described in thi...

Page 3: ...FAKRA Connector Temperature Operation 20 70 Storage 40 85 CDMA Main Chipset MDM 6600 Memory 512Mb NAND 256Mb SDRAM Standard 3GPP2 CDMA 1X EVDO Rev A DL Speed 3 1 Mbps UL Speed 1 8 Mbps Band CDMA 850 DCN 1900 PCS GPS Not supported Power Max 24dBm Power Class 3 Etc OS Android 2 3 DC Power 3 8V Functions Voice Data SMS ...

Page 4: ...comm 20 85 2 PAM AVARGO 30 85 3 Filter EPCOS 20 85 C 4 Quadplexer AVARGO 20 85 C 5 MEMORY NAND NUMONYX Automotive Part 6 MEMORY SDRAM_DDR MICRON Automotive Part 7 Capacitor Inductor Murata Automotive Part 8 Resistor YAGEO Automotive Part 9 TCXO KDS Automotive Part 10 PCB LGIT 6 Layer ...

Page 5: ...3 Interface 3 1 Pin outs Customer P N is connected with outer device using 40 pin connectors Figure 2 Modem Interface Connector Pin arrangement ...

Page 6: ...ial data AUDIO MIC SPK 23 MIC I Differential Microphone input 24 MIC I Differential Microphone input 25 SPK O Analog Audio Differential Output 26 SPK O Analog Audio Differential Output User Interface 9 SSl0 I Air bag Signal input Not use 10 SSl1 I CAN Wake Up Signal input Not use 11 BOOT_OK O Modem Booting Completion Modem Wake Up 12 MSG O Received emergency message from Center 14 AUIDIO_ON O Sign...

Page 7: ...ied with USB2 0 specification and supported with Max 480Mbps Pin NO Signal Name Function Modem Pin Function Summary 29 USB_VBUS I Power supply for the USB transceiver 35 USB_D I O USB differential data 36 USB_D I O USB differential data 3 5 AUDIO Modem is provided with condenser mic input speaker output for voice call Speaker output can connect with 32Ω speaker Pin NO Signal Name Function Modem Pi...

Page 8: ...gency message from center 14 GPIO NC 27 48H_END O Signified in 48 hours standby mode ending 28 RESET_IN I Modem Hardware reset input 30 ACC POWER_ON I Modem Power ON Modem POWER Sleep 3 7 PCM Signals Pin NO Signal Name Function Modem Pin Function Summary 16 PCM_3 3V_TXD O PCM DATA OUT 18 PCM_3 3V_RXD I PCM DATA IN 19 PCM_3 3V_CLK O PCM CLOCK 20 PCM_3 3V_SYNC O PCM SYNC ...

Page 9: ...uce power consumption to a minimum PA is used directly V_BATT because of a lot of power input power source Thus It can be resulted in breakage of PA in excess of the rated input power In addition surge and ESD should be designed to block the influx in order to prevent damage to the modem Pin NO Signal Name Function Modem MIN TYP MAX 31 32 V_BATT I 3 7V 3 8V 3 9V 4 2 Logic Level Specifications 4 2 ...

Page 10: ...Direct conversion Zero IF Modulation method QPSK 8PSK and 16QAM Sensitivity 104dBm under BER 0 5 under 5 2 Transceiver Frequency 824MHz 849MHz BC0 1850MHz 1910MHz BC1 Maximum RF Output Power class3 BC0 Power class2 BC1 23 01dBm 30dBm max Modulation method BPSK QPSK AND 8PSK Baseband to RF Direct conversion Zero IF ...

Page 11: ...on 6 1 Mechanical Dimensions Dimensions 92 0 x 38 4 x7 6 mm Weight 30 7 grams max Modem Interface connector KM17E 40DS manufacturer HIROSE Antenna Connector 59S21B 40MT5 D manufacturer Rosenberger Figure 3 Mechanical Dimension ...

Page 12: ...ations 1 Storage Temp 40 85 2 Operating Temp 20 70 20 70 3GPP specifications satisfaction 30 20 70 80 can be performance degradation 3 Operating humidity 90 50 relative humidity 4 Operating vibration 5 Hz 500 Hz Signe wave 1 5G ...

Page 13: ...00 bps 3 5 4 dB 4 4 4 Range of Closed Loop Power Control up Full rate 24 down Full Rate 24 up Half rate 24 down Half Rate 24 up Quarter rate 24 down Quarter Rate 24 up Eighth rate 24 down Eighth Rate 24 4 4 2 Time Response of Open Loop Control PASS 4 4 1 Range of Open Loop Power Open Loop Power Upper 57 50 38 50 BC0 60 50 41 50 BC1 Open Loop Power Mid 17 50 1 50 BC0 20 50 1 50 BC1 Open Loop Power ...

Page 14: ...8 Parts Map Top Bottom ...

Page 15: ...9 Connector 9 1 Antenna Connector 59S21B 40MT5_D manufacturer Rosenberger ...

Page 16: ......

Page 17: ...9 2 40Pin Connector KM17E 40DS manufacturer HIROSE Figure 4 40 Pin connector ...

Page 18: ...3 Measuring method The impedance over the frequency bands shall be as close as possible to 50Ω after matching Both free space and talk position are considered 10 2VSWR The impedance matching should be optimized in the more critical talk position 10 2 1 Maximum values in free space Band CDMA 850 CDMA 1900 TX RX TX RX VSWR 2 8 2 1 2 1 8 10 2 2 Measuring Method Figure 5 Chamber ...

Page 19: ...a Azimuth Pattern Co pol b Azimuth Pattern Cross pol Figure 6 Gain Patterns ...

Page 20: ...peration is subject to the following two conditions 1 this module may not cause interference 2 this module must accept any interference that may cause undesired operation 11 1 Information for integrator The integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user manual of the end product The user manual which is provided b...

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