LTE OTA communication Test 장비로써, Conducted 또는 OTAP Radiated형태로 시험, 측정가능한장비이다.
OTAP는 Over-The-Air Performance의 약자임.
1. LTE Communication Test Set (1 set)
○ Support test bands
1) GSM (850, 900, 1800, 1900MHz)
2) WCDMA ( FDD I, FDD II, FDD IV, FDD V, FDD VIII)
3) GSM (GSM, GPRS, EDGE)
4) WCDMA ( WCDMA, HSDPA, HSUPA, HSPA+ )
5) Wi-Fi (IEEE Std 802.11a, IEEE Std 802.11b, IEEE Std 802.11g)
6) LTE (FDD and TDD) for Bands( refer to

)
○ General
1) Frequency range: 3.4 GHz to 3.8 GHz
2) Max. input level: +35 dBm (Main)
3) Main I/O
Impedance: 50 Ω
VSWR: ≤1.2 (<1.6 GHz), ≤1.25 (1.6 GHz to 2.2 GHz), ≤1.3 (>2.2 GHz)
Connector: N type
4) AUX output
Impedance: 50 Ω
VSWR: ≤1.3 (SG Output level: ≤ -0 dBm)
Connector: SMA type
5) Reference oscillator
Frequency: 10 MHz
Level: TTL
Startup characteristics: ≤±5 × 10？ (10 min after startup referenced to frequency 24 h after startup)
Aging rate: ≤±2 × 10？/day, ≤±1 × 10？/year (referenced to frequency 24 h after startup)
Temperature characteristics: ≤±5 × 10？
Connector: BNC type
6) External reference input
Frequency: 10 MHz or 13 MHz (±1 ppm)
Level: ≥0 dBm
Impedance: 50 Ω
Connector: BNC type
○ RF Signal Generator
1) Frequency
Frequency range: 30 MHz to 2.7 GHz (setting range: 400 kHz to 2.7 GHz)
3.4 GHz to 3.8 GHz (with MT8820C-018)
Setting resolution: 1 Hz
Accuracy: Due to reference oscillator accuracy
2) Output level
Level range: ？40 to ？0 dBm (Main), ？30 to 0 dBm (AUX)
Resolution: 0.1 dB
Accuracy: Main: ±1.0 dB, ±0.7 dB typ. (Output frequency: ≥50 MHz), ±1.5 dB (Output frequency: <50 MHz)
(？20 to ？0 dBm, after calibration, 10° to 40°C)
AUX: ±1.0 dB, ±0.7 dB typ. (Output frequency: ≥50 MHz), ±1.5 dB (Output frequency: <50 MHz)
(？10 to 0 dBm, after calibration, 10° to 40°C)
3) Signal purity
Non-harmonic spurious: ≤？0 dBc (Offset frequency: ≥100 kHz)
Harmonics: ≤？5 dBc
4) Uninterrupted level variation
Variable range: ？0 to 0 dB
Setting resolution: 1 dB
○ Power Supply
100 V(ac) to 120 V(ac)/200 V(ac) to 240 V(ac) (250 V max.), 50 Hz/60 Hz, ≤750 VA
○ Environmental Conditions
Operating temperature and humidity: 0˚ to +50˚C, ≤95% (no
LTE OTA communication Test 장비로써,2G,3G,4G(LTE)에 해당하는 시험대상장비에 콜을 걸어 방사측정및 전도성 측정이 가능할수 있도록 Call을 유지해주는 장치