DP-666 is a high sensitivity radio based on the NXP TEF6686 chip. The hardware of DP-666 is designed and produced by DEEPELEC. Recently we have discovered that there are DP-666 clones. How to determine whether it is a cloned product? Please click here to find out. Please look for the DEEPELEC brand and trademark. The … Continue reading DP-666 TEF6686 High Sensitivity Radio