The Keysight (formerly Agilent) E7495B is a rugged, portable base station test set designed for installing, maintaining, and troubleshooting wireless base stations. Operating from 375 MHz to 2.5 GHz, the E7495B combines a spectrum analyzer, antenna and cable tester, signal generator, and power meter into a single battery-powered unit, making it ideal for field use in cellular networks.

Specifications

General

ParameterValue
InterfacesLAN (10/100 Base-T), USB 1.1 Host, RS-232 Serial, PCMCIA (Type II)
Display6.5-inch (16.5 cm) color transflective TFT LCD, 640 x 480 resolution

Physical

ParameterValue
Power SupplyAC Adapter: 100 to 240 VAC, 50 to 60 Hz; DC Input: 11 to 20 VDC; Dual internal rechargeable Li-Ion batteries
Operating Temperature0 to 50 °C
Dimensions (W×H×D)310 mm × 244 mm × 114 mm
Weight4.1 kg (with single battery)

RF and Signal Generation

ParameterValue
RF Generator Frequency Range375 MHz to 2.7 GHz
RF Generator Output Power Range-10 to -90 dBm
RF Generator Output Power Resolution1 dB
Supported Modulation Types (Analog)CW

RF and Signal Analysis

ParameterValue
RF Analyzer Frequency Range375 MHz to 2.7 GHz
RF Analyzer Frequency Resolution1 Hz
RF Analyzer Maximum Safe Input Power+20 dBm (100 mW)
Resolution Bandwidth (RBW) Range100 Hz to 1 MHz
Displayed Average Noise Level (DANL)<-135 dBm (typical, 100 Hz RBW with preamp)
Power Meter Frequency Range375 MHz to 2.7 GHz (Internal)
Supported External Power SensorsKeysight U2000 series (USB), Agilent 8480 series (with Option 012)

Cable and Antenna Analyzer

ParameterValue
SWR/RL Frequency Range375 MHz to 2.7 GHz
SWR/RL Resolution75 kHz
Distance to Fault (DTF) RangeUp to 1524 m (5000 ft)

Reference and Timebase

ParameterValue
Internal Reference Frequency10 MHz
Reference Frequency Temperature Stability±0.05 ppm
Frequency Accuracy (GPS Locked)±1 × 10^-11
GPS ReceiverInternal, standard

Physical Interfaces and Connections

ParameterValue
GPS Antenna ConnectorSMA female, 3.3V active
RF IN Connector TypeType-N female, 50 Ω
RF OUT / SWR Connector TypeType-N female, 50 Ω
External Reference InputBNC female, 10 MHz
External Trigger InputBNC female

Telecom and Transmission Testing

ParameterValue
T1 Physical Line InterfaceRJ-48C (Option 100)
T1 Line Coding FormatsAMI, B8ZS (Option 100)
T1 Framing FormatsSF (D4), ESF (Option 100)

Software and Automation

ParameterValue
Internal Operating SystemWindows CE
Remote Control ProtocolsFTP, SCPI over LAN
Result Export Formats.csv, .png (screen capture)

Power Requirements

ParameterValue
External DC Input11 to 20 VDC

Environmental and Compliance

ParameterValue
Storage Temperature Range-40 to +70 °C
Relative Humidity Range95% R.H. at 40 °C (non-condensing)

Measurement Options

ParameterValue
cdmaOne/cdma2000 Analyzer OptionOption 200
1xEV-DO Analyzer OptionOption 210
W-CDMA Analyzer OptionOption 500
GSM/GPRS/EDGE Analyzer OptionOption 600
Interference Analyzer OptionOption 700

SWR/RL Measurements

ParameterValue
Corrected Directivity (SWR/RL)> 42 dB

RF Generator

ParameterValue
RF Generator Output Impedance50 Ω
RF Generator Frequency Resolution1 Hz

RF Analyzer

ParameterValue
RF Analyzer Input Impedance50 Ω

Options

ParameterValue
E1 Analyzer OptionOption 120
cdmaOne/cdma2000 Over-the-Air (OTA) OptionOption 205
1xEV-DO Over-the-Air (OTA) OptionOption 215

E1 Analyzer

ParameterValue
E1 Line Impedance75 Ω (unbalanced) / 120 Ω (balanced)
E1 Transmitter Frequency2.048 MHz

GPS

ParameterValue
GPS Receiver Channels12 channels
GPS Lock Time< 3 minutes (warm start), < 15 minutes (cold start)

Environmental

ParameterValue
Ruggedness StandardMIL-PRF-28800F Class 2

Spectrum Analyzer

ParameterValue
Spectrum Analyzer Video Bandwidth (VBW)30 Hz to 1 MHz (in 1-3-10 sequence)
Audio DemodulationAM, FM (via internal speaker or headphone jack)

SWR / Return Loss

ParameterValue
SWR Measurement Range1.00 to 65.00
Return Loss Measurement Range0 to 60 dB

Frequency Reference

ParameterValue
External Reference Input Frequencies10 MHz, 13 MHz, 15 MHz, 19.2 MHz

Storage & Interface

ParameterValue
CompactFlash Card Slot1 x Type I/II slot
PCMCIA Card Slot1 x Type II slot

Technology

Wireless Base Station Field Testing

Applications

Installation and Maintenance of Cellular Networks