Busy tone GSM FWT with function program ( cutomize different function)

Compatible to telephone set, pabx, payphone, alarm system

GSM 850/1900MHZ, 900/1800MHZ 

WCDMA 900/2100MHZ, 850/1900MHZ, 850/2100MHZ 

All our product have 1 year warranty  

Can customize different function accordingly like fast call, and call baring, busy tone or sim lock.pin code check 

With CE/ROSH/FCC Certificate:

1.General Description:

GSM FWT-8848 is a GSM to Analog Converter(single port, insert 1 sim card only), the device can produce a FXS line to allow a regular phone to be connected and used just like a local landline(PSTN) except your calls will  go out the GSM network. This device can both receive and make calls.

Features and Functions: 
1) Simple to install and easy to maintain 
2) Steady industrial module and reliable design ensures good performance 
3) Provides optimized circuit directly connecting the exchange device for Extensions 
4) Compatible to most telephones, PBX and VoIP gateways (for call Termination) 
5) Connect to Alarm systems to realize wireless alarm(for security use)
6) Strong signals with high gain antenna 
7) Support SIM card (1.8V,3V) 
8) Support DTMF 2'nd dialing out
9) DTMF CLIP(Caller ID display)
10) Hide subscriber caller id (been sent out)
11) Provides reversal polarity signal for metering 
12) Signal indiator and power indicator and working status indicator
13) Suitable for wide voltage range and low power consumption 
14) Suitable for all kinds of weather and environment 
15) Locking PIN / network (optional) 
16) GPRS function(optional)
17) Support IMEI change(optional)
18) Back up li-ion battery(optional)

Specifications: 
1) Air interface standard: GSM850/1900Mhz,900/1,800Mhz phase 2+ full band 
2) Frequency ranges:
A) GSM 850 GSM 1900:
I) Transmission: 869.2 ~ 893.8MHz I) Transmission: 1, 930 ~ 1, 990MHz
Ii) Reception: 824.2 ~ 848.2MHz Ii) Reception: 1, 850 ~ 1, 910MHz 
B) GSM 900: GSM 1800: 
I) Transmission: 890 ~ 915MHz I) Transmission: 1, 710 ~ 1, 785MHz 
Ii) Reception: 935 ~ 960MHz Ii) Reception: 1, 805 ~ 1, 880MHz 
3) Channel space: 200kHz 
4) User line, bell signal: In line with GB/T15279 
5) Max power: 0.25W / 0.5W 
6) Consumption: 
A) Immobility: Less than 25mAh 
B) Transmission: Less than 400mAh 
7) Sensitivity: -105dB 
8) Dial tone frequency: 450MHz (standard) 
9) Surrounding temperature: -10°C ~ +40°C 
10) Relative humidity: 45% ~ 90% (without frost) 
11) Atmosphere pressure: 86 ~ 106KPa 
12) Environment noise: <60dB 
13) Antenna amplifying: 3.5dB (omni directional), 12dB (certain direction / 
Chosen direction) 
14) AC power: DC 10V - 20V 
15) Input: AC100 - 230V, 50 / 60Hz 
16) Output: 12V 1A 
17) Switching type / transformer type AC adapter (optional) 
18) Connector of power: US or European type
19) Dimensions (L x W x H) (average): 185 x 135 x 22mm 
20) Weight: 
A) FWT: 400g 
B) Full set with AC adapter, antenna and box: 800g 
21) Colors: White/grey/black (optional) 
22) Connection mode: RJ-11 phone sockets 
23) Antenna connection: SMA antenna connection

Check Package: 
ETROSS-8848 GSM FWT 1 piece;

Ac-adapter 12V 1A: 1 piece,

GSM Antenna with 3m cable 1 piece,

User’s Manual 1 piece,

G.W: 0.75kg per unit. And 20pcs per carton, 16kg per carton