RPP(radio public phone)-Technical info:
| Voltage:AC220V/50Hz DC12V Tempeature:0℃~+55℃ Humidity :45%~95% Noise:<60dB Appearance:215mm(W)×260mm(L)×70mm(H) Frequency:GSM900MHz/GSM1800MHz Pe:2W peak Sensitivity:-104dbm PhaseI/II:GSM phase II 
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Antenna (Optional)
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| Model | Frequency | Im Load | VSWR | Gain | Po | Interface | Length | Note | 
| T-09-18C | 890-960(MHz) 1710-1880(MHz) | 50(Ω) | <1.5 <1.7 | 5.5(dBi) 2.15(dBi) | 20(W) | SMA-J | 25550(mm) | GSM | 
| T-18C | 1710-1990(MHz) | 50(Ω) | <1.5 | 5.5(dBi) | 20(W) | SMA-J | 17850(mm) | GSM | 
| T-09 | 890-960(MHz) | 50(Ω) | <2 | 2.15(dBi) | 20(W) | SMA | 19050(mm) | GSM | 
| T-18 | 1710-1880(MHz) | 50(Ω) | <2 | 2.15(dBi) | 20(W) | SMA-J | 105(CM) | GSM | 
| T-09-18-S | 890-960(MHz) 1710-1880(MHz) | 50(Ω) | <1.8 <3 | 1.5(dBi) | 20(W) | SMA-J | 37CM) | GSM | 
| T-08T | 824-896(MHz) | 50(Ω) | <1.8 | 2.5(dBi) | 20(W) | TNC/SMA | 211(mm) | CDMA | 
| T-918WS | 890-960(MHz) 1710-1880(MHz) | 50(Ω) | <1.8 | 2(dBi) | 20(W) | SMA | 123(mm) | GSM | 
| T-09-18-JW | 890-960(MHz) 1710-1880(MHz) | 50(Ω) | <3.5 | 2(dBi) | 20(W) | SMA-J | 34(mm) | GSM | 
| T-08J | 800-896(MHz) | 50(Ω) | <1.5 | 2.15(dBi) | 20(W) | SMA | 110(mm) | CDMA | 
| T-09-18D | 890-960(MHz) 1710-1880(MHz) | 50(Ω) | <2.5 <1.7 | 2.15(dBi) | 20(W) | SMA | 50(mm) |