Product Feature:(Breeztell-181t)
1) Simple to install and easy to maintain
2) Adopts industrial module (wavecom engine) to ensure good performance
3) Provides optimized circuit directly connecting the exchange device for extensions
4) Compatible to most telephones, PBX (for office use) and VOIP gateways
( for call termination)
5) Strong signals with high gain antenna
6) Attractive plastic casing
7) Spport GPRS (optional)
8) SIM card supported (Auto)
9) Caller ID display
10) Provides reversal polarity signal for metering
11) No noise and clear voice
12) Suitable for wide voltage range and low power consumption
13) Suitable for all kinds of weather and environment
14) Support PSTN to GSM; GSM to PSTN; LCR (optional)
15) RJ-11 ports (two extensions: line / phone and line (optional) )
16) Locking PIN / network (optional)

Product Specifications
1) Air interface standard: GSM 900MHz / 1800MHz / 850MHz / 1900MHz Phase 4 +
2) Frequency ranges:
A) GSM 900:
I) Transmission: 890 ~ 915MHz
Ii) Reception: 935 ~ 960MHz
B) GSM 1800:
I) Transmission: 1, 710 ~ 1, 785MHz
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 / 2W
6) Consumption:
A) Immobility: ? ? 5ma
B) Transmission: ? ? 00ma
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: