| Description | Dual sim card 4g fixed cellular terminal |
| Item no. | LCD-4G-RTT-490 |
| Module | Quectel EC25 Series |
| Polarity reverse | Support |
| RJ11 port | 2 |
| Feature refinements | supports DFOTA*, eCall* and DTMF |
| Speech Codec | HR/FR/EFR/AMR/AMR-WB |
| Echo Arithmetic | Echo Cancellation/Noise Suppression |
| VoLTE | Digital Audio and VoLTE |
| Interfaces | UART × 2 : Main UART and Debug UART |
| USB 2.0 with High Speed up to 480Mbps | |
| 1.8V/3.0V (U)SIM Interface | |
| Digital Audio through PCM Interface | |
| ADC × 2 | |
| SDIO × 2 (for Wi-Fi and SD card) | |
| UART/PCM Interfaces for BT4.0 Function | |
| Audio Playback/Audio Recording | |
| USB Serial Driver | Windows 7/8/8.1/10 or Windows CE 5.0/6.0/7.0* |
| Linux 2.6/3.x/4.1~4.14 | |
| RIL Driver | Android 4.x/5.x/6.x/7.x/8.x |
| NDIS Driver | Windows 7/8/8.1/10 |
| ECM Driver* | Linux 2.6/3.x/4.1~4.14 |
| Gobinet Driver | Linux 2.6/3.x/4.1~4.14 |
| Linux qmi wwan Driver | 3.x (3.4 or later)/4.1~4.14 |
| Consumption | Power off: 20uA |
| Sleep Typ: 3mA | |
| Idle: 22mA | |
| Display | STN Black& White |
| Resolution 128*64 pixels | |
| Adapter | EU, UK, USA, AU adapter etc. optional |
| SIM connection | 1.8V or 3.0V |
| Power Supply | Input 100-220V |
| Output | 12V 1A or 5V 1A |
| Battery | 600mAh, 800mAh, 1000mAh, 2000mAh |
| SIM card | 2FF; Single or dual sim card optional; |
| Color | Black or white or OEM; |
| LCD Size: | 67*30mm |
| Antenna | 3m antenna or small rubber antenna |
| Caller ID | DTMF or FSK or both |
|
Frequency | FDD: B1/B3/B5/B8; TDD: B38/B39/B40/B41; WCDMA: B1/B8; GSM: B1/B8; |
| FDD: B1/B3/B7/B8/B20/B28A; WCDMA: B1/B8; GSM: B3/B8; | |
| FDD: B2/B4/B5/B12/B13/B14/B66/B71; WCDMA: B2/B4/B5; | |
| FDD: B1/B2/B3/B4/B5/B7/B8/B28; TDD: B40; WCDMA: B1/B2/B5/B8; GSM: B2/B3/B5/B8; | |
| FDD: B2/B4/B12; WCDMA: B2/B4/B5; | |
| LTE FDD: B1/B3/B5/B7/B28; WCDMA: B1/B5; | |
| FDD: B3/B7/B28; | |
| FDD: B1/B3/B5/B7/B8/B20; TDD: B38/B40/B41;WCDMA: B1/B5/B8;GSM: B3/B8; | |
| FDD: B1/B3/B8/B18/B19/B26; TDD: B41; WCDMA: B1/B6/B8/B19; | |
| FDD: B4/B13; | |
| Dimension | Device: 160/100/30mm |
| Pack Box: 180/120/77mm | |
| Package | Device*1; Adaptor*1; Battery(built in)*1; Straight Cable*1; User manual*1; Antenna*1pc; |
| Weight | 0.30 or 0.32kg |
Frequently Asked Questions :
LCD Display 03 ?
A: No signal or the signal is too weak, check the antenna and install it again;
LCD Display SIM Error?
A: Sim card is bad or communication module is bad, replace new sim card or wipe contact surface and install the SIM card again; Or replace communication module;
LCD always display “IN USE”?
A: Integrated circuit board bad or telephone bad, replace new integrated circuit board or check phone line and replace new telephone;
How to back to factory default?
A:Input *00#000# then the unit will be back to factory default;
How to change IMEI number?
A:Input *00#035#IMEI# then you can change the IMEI number in the unit as you required;
How to change date and time?
A:Input *00#036#YYMMDDHHMMSS# then you can see new date and time display on LCD;
How to set PIN code?
A:Input *00#010#0#pin code# then the pin code of the unit will be changed as you required;
How to block all calls come in?
A:Input *00#011#1# then no call can come in;
How to release all call can come in?
A:Input *00#011#0# then all calls can come in;
How to adjust the volue?
A:Input *00#030#A*BB# according to your volume requirement to adjust the volume;
How to set IP number?
A:Input *00#050#IP# then the unit will auto add IP number before the number you want to dial;
How to change time zone?
A:Input *00#037#time zone number# then the unit will display time to desired time zone time;
Q: Is sample order available?
Yes, it’s available upon request;
Q: How long do you need to prepare sample ?
Depending on different products, it may take 3-5 days;
Q: How long delivery time for formal order?
Generally speaking it’ll take about 20-30 days subject to your order quantity;
Q: What’s your Order MOQ?
For sample test, can make 1pc at least;
For standard model, usually MOQ is 1k per model.;
Q: What payment terms do you accept?
For samples, we accept Paypal, or BANK T/T in advance;
For formal order, 30% deposit and balance after goods ready but before shipment;
Q: How much will the express delivery cost for the sample?
The express delivery cost depends on the sample quantity, weight, carton measurement
and which country you would like to send;
Q: How to ship the goods to us?
For samples order, usually delivered by carrier like DHL, FEDEX etc.;
For small order, can delivered by air, also can by courier;
For formal order, usually delivered by sea in order to save transportation cost;
Q: Can we have our logo to be printed on the units or packaging?
Yes for sure, but MOQ request is 1000pcs/model/order;
Q: How about warranty?
Our warranty is one year, and we can repair the defective units if you can return it back; Or if you have your own service after sales then we can offer you spare parts according to your order quantity; Our defective rate is about 0.1-0.3%;



