Outdoor use professional Digital two way Radio (DMR) DM-680 Portable Type General Specification ModelDM-680Channels512Zones16Frequency Rang400-480MHzAntenna Impedance50ΩDimension97×58×40mmWeight270gLi-ion battery2300mAhRated voltageDC: 704VBattery: The average battery life under 5/5/90 duty cycle,Website:http://www.kydera-dmr.com, and using carrier squelch and TX high power.Receiver Frequency400-480MHzChannel Spacing12.5kHz/25kHzFrequency Stability+/- 1.5ppmAnalog Sensitivity0.3uV /0.25uVDigital Sensitivity0.25uV /0.20uVIntermodulation65dBAdjacent Channel [email protected] / 65dB@25kHzSpurious Rejection65dBRated Audio0.8WAudio Distortion @ Rated Audio3%FM Hum Noise+1 -3dBConducted /Radiated Emission-57dBmTransmitter Frequency400-480MHzChannel Spacing12.5kHz / 25kHzFrequency Stability+/- 1.5ppmLow Power2WHigh Power5WModulation Restriction±[email protected] / ±5.0kHz@25kHzFM Hum [email protected] / -45dB@25kHzConducted/ Radiated Emission-36dBm<1GHz / -30dBm@25kHzAdjacent Channel [email protected] / -65dB@25kHzAudio Response+1 -3dBAudio Distortion3%FM Modulation12.5kHz: 11K0F3E 12kHz: 16K0F3E4FSK Digital Modulation12.5kHz data: 7K60F1D 7K60FXD 12.5kHz audio: 7K60F1E 7K60FXE 12.5kHz data audio: 7K60F1WDigital VocoderAMBE++Digital AgreementETSI-TS102-1,-2,-3Our Service Shipping:please contact us and give us detailed address and post code. We will choose the best express company for you. Cost of customs:import duties or taxes are the buyer's responsibility. Please kindly check with the customs office of your country. We will try our best to help you with the customs clearance. Payment:we accept T/T (bank transfer) and Western Union. Items will be prepared after payment received. Feedback:we devote ourselves to perfect our products. Don't hesitate to let us know if you have any feedbackor suggestions.Also, we can go to our company website for the up-to-date firmware updating.
