Dongguan Jie Tong Electronic Instrument Co., Ltd. 
 Contact: Mr. Zhou 
 Tel: 13760331089 
 QQ: 1511158498 
 T: 0769-82086182 
 F: 0769-82086182 
 Zip Code: 523710 
 Address: Hung Lai Yuen Road, Zhenjiang Tangxia Garden 3 6F 

 ★ built-in digital wireless test precision required OBW, ACP, Power measurement 
 ★ synthetic methods of the local oscillator, frequency stability 
 ★ direct digital synthesis methods, improving the accuracy SPAN 
 ★ has a correction function, provide high accuracy 
 ★ AUTO TYNE functions, and improve operational performance 
 ★ Auto CAL function to ensure the accuracy of the total level 
 ★ Standard interface: GP-IB, RS232C, FD floppy drive 
 ★ Counter, Power measurement, using a large text display the results 
 ★ rich EMC measurements 
 ★ systems and high-speed: GP-IB transfer speed, TRACE and from the speed 
 ★ full attention to operation / user-friendly operation keys 
 ★ The overall design of small, lightweight, host only 12kg 
 ★ High-performance, low cost 
 R3131 portable spectrum analyzer, not only has digital wireless communications test with the required precision is also 
 Preparation is simple, easy to use features, regardless of any personnel can easily operate, rich practical 
 Operating functions, to suit your requirements. 
 Frequency: 
 Frequency Range: 9kHz ~ 3GHz 
 Frequency reading accuracy: ± (frequency × frequency reference accuracy of reading + SPAN × SPAN accuracy of +0.15 × min 
 Resolution bandwidth is +1 kHz) frequency counter cursor accuracy: ± (frequency × cursor cursor reference accuracy +1 LSD) 
 (S / N ≥ 25dB, SPAN ≤ 200MHz) 
 Cursor frequency counter resolution: 1Hz ~ 1kHz 
 Frequency Reference Accuracy: ± 2ppm/year ± 5ppm / use temperature range 
 Frequency SPAN: zero, 50kHz ~ 3GHzl SPAN frequency accuracy: ≤ ± 3% 
 Frequency stability 
 Residual FM: ≤ 100Hzp-p/100ms (zero span) 
 Sideband noise: ≤ -100dBc/Hz (20kHz offset) 
 Resolution bandwidth (30dB): 1kHz ~ 1MHz 1-3step 
 Bandwidth accuracy: ≤ ± 20% 
 Selectivity (60dB: 3dB): ≤ 15:1 
 6dB bandwidth: 9kHz, 120kHz 
 Video Frequency Bandwidth: 10Hz ~ 1MHz 1 ~ 10step