General Specifications :

• Operation

Full RF Duplex, supporting full duplex and half duplex speech and data calls

• Scalable

Between 1 and 8 carriers per site

• Channel Spacing

25 KHz, 6.25 KHz offsets

• Available Frequency Bands :
  • 370 - 390 MHz (Base Rx)
  • 380 - 400 MHz (Base Tx)
  • 380 - 400 MHz (Tx & Rx)
  • 410 - 430 MHz (Tx & Rx)
  • 450 - 470 MHz (Tx & Rx)
  • 806 - 825 MHz (Base Rx)
  • 851 - 870 MHz (Base Tx)

Transmitter Specification :

• Transmit Power (measured at Transceiver)

Upto +44dBm (25 W) maximum

• Typical ERP through +6dB Antenna and 50m feeder

• +48dBm (50 W) with no combining
• +44dBm (25 W) with 2 port hybrid

• Power Adjustment

Reduction in power in -2dBm steps from maximum

• Duty Cycle

100% Duty Cycle (all time slots active)

 Receiver Specification :

• Receiver Class

Class A, satisfies ETS300-392-2

• Static Sensitivity

<3.0% BER for TCH 7.2 at -115dBm

• Dynamic Sensitivity
  • <2.5% BER for TCH 7.2 at -106dBm (typical Urban conditions at 50 kph)
  • <4% BER for TCH 7.2 at -106dBm (hilly terrain conditions at 200 kph)
    
• Diversity Operation

Fully independent receivers - digitally combined for maximum likelihood detection

• 2-way Receiver Diversity Gain

2dB minimum, 5dB typical. Exact gain depends on antenna configuration and fading conditions

• 3-way Receiver Diversity Gain

3dB minimum, 7dB typical. Exact gain depends on antenna configuration and fading conditions

RF Sub-System Specification :

• LNA and Hybrid Combiner Band

370-400 MHz, 806-870 MHz

• Duplexer Filter Bandwidth

5 MHz Pass band for Tx and Rx filters and 5 MHz stop band (typical, can vary with band)

• Tx and Rx Isolation

>80 dBm

• Duplexer Spacing
  
  • 10 MHz (typical) at 370 - 400 MHz
  • 45 MHz (typical) at 800 MHz
    
• Duplex Filter Insertion Loss

<1.1 dB

• Duplex Filter Out-of-Shop Band Isolation

>60 dB to 3 GHz

• Hybrid Combiner Insertion Loss
  
  • <3.5 dB (2 port combiner)
  • <7 dB (4 port combiner)
    
• Hybrid Combiner Tx - Tx Isolation

>45 dB

• Hybrid Combiner 20Tone Intermodulation

-65 dBc

Environmental Specification :

• Operating Temperature & Humidity (Transceiver)
  
  • Compliant with ETSI EN300 019-2-3
  • Full rated operation from -20.C to +55.C
  • Up to 90% humidity, non-condensing
    
• EMC

Compliant with ETSI EN 300 827

• Safety

Compliant with ETSI EN 60950:2000

• Water and Dust Resistance

Compliant with IEC529 rating IP20. Low maintenance design (includes no routine maintenance of fan tray)

Power System Specification :

• Input Voltage
  
  • 48 Volts DC nominal
  • 110 Volts AC nominal (Option)
  • 230 Volts AC nominal (Option)