Check the listing for details. Portable Spectrum Analyzer 4.3'' Handheld Tiny Frequency Analyzer 35MHz to 44.... Condition: New. Listed at 167.96 USD. Brand New Portable Spectrum Analyzer 4.3'' Handheld Tiny Frequency Analyzer 35MHz to 4400MHz MF/HF/VHF UHF Screen Battery Manufacturer model: Frequency: 35Mhz~4400Mhz, start frequency can be setSpan and dbm range: 35Mhz to 350Mhz,Power: battery inside, portable useScanning time: 800ms, quick and realtimeBest services: feel free to contact us, we will reply within 6 hours. Description What signal to test: 144 or 433 Walkie Talkie , 2.4g wifi, wireless microphone, wireless remote controller and so on. RF signal, frequency between35m~4400mhzcan be tested for mostcases. 1) Spectrum testingrange: 35m~4400mhz; 2) Display: 4.3inchLCD screen(no touching). 3)Shell: All aluminum alloy shell 4)Control: rotary encoder, ratate to change position or value, press to confirm 5) Interface:all English displayinterface 6)Power: 2000mah lithium battery included and usb to charge 7) Output Port: Sma K 8) input impedance: 50 ohm. 9)RBW: 50KHz, 100kHz, 200kHz and 500KHz are adjustable. 10)Scanning Span: 35m (50KHz), 70m (100kHz), 140m (200kHz),350m (500KHz). 11) Number of screen scanning points: 700. 12)dbmrange: - 80dB ~10dB. There is no amplification circuit inside the machine. If small signal needs to be measured, external amplifier is required. 13)Maximum inputsignal: 10dB. 14)Working mode: superheterodyne scanning spectrometer, single scanning time 800ms. Packet contents: 1x Spectrum Analyzer 1x Usb cable 1x Antenna 1x Sma-J2Bnc-kconnector Shipping and Handling Please allow 5-7 business days for the package to arrive, regardless of buyer location within the US. We will provide an online tracking number to you once the item has been shipped. It may take a few business days for our automated system to process the tracking number onto eBay. However, this will not affect the shipping times. Return Policy All our products are brand new and sealed. All items qualify for returns within 30 days of receipt. Feedback We take our reputation seriously. If you have any questions or concerns, please contact us and we will respond back to your message within 24 hours.