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Retail: $40 - $60Retail: $40 - $60 This is a discontinued model.The UV-B series receiver does not overload anywhere as easily as the UV-5R. The UV-B series receiver does not overload anywhere as easily as the UV-5R. The UV-B6 receiver is more sensitive and selective than other similar inexpensive Chinese radios. The UV-B5 has a rotary selector knob where the LED light is on top of the UV-B6, which is the primary distinction between the two models. There are some trimmed down or missing features on this model compared to the UV-5R, such as fewer channel memories, smaller LCD display, and no 2.5kHz minimum frequency step. Weird thing, I am able to enter 1.25-Meter band frequencies and transmit with my UV-B6. I discovered this by accident when I was experimenting. This may not be good for the radio, however, it is capable of doing it. It has been said that on this band the receiver is not as sensitive. It is also said that when transmitting in this band there will be harmonic noise generated on the 70cm band, which is likely why the radio was never certified as function on 1.25m.Field program menu:#STEP - frequency step in VFO (5, 6.25, 10, 12.5, 20, 25 kHz)#SQL - squelch level between 1 - 9#SAVE - battery saver reduces xmit power when strong signal detected#TXPR - transmit power low or high#ROGE - roger beep should be off for ham repeater use#TOT - transmission timeout#VOX - voice activated transmit#BEEP - keypress beep#VOICE - voice prompt english, chinese, off#TDR - Enable dual watch#R-CODE - sets tone squelch frequency, offers no way to disable!#T-CODE - sets transmit PL tone frequency, offers no way to disable!#ABR - LCD brightness#PTTID - transmit signal ID code#ANI - automatic number ID of radio#PTIDM - signal code mode#DT-ST - audible DTMF tone #MDF 1 - top displays frequency, channel, or name#MDF 2 - bottom displays frequency, channel, or name#BCL - busy channel transmit lockout#SFTD - repeater shift + or -#OFFSET - repeater offset#SCRNM - scanning resumes based on timer, carrier, halts on signal#REV - reverse frequency#STE - eliminate squelch tail#NAME - channel name#W/N - wide or narrow band, 5 KHz or 2.5 KHzThe firmware in these radios cannot be updated. The microcontroller is an OTP type. (One Time Programmable) Once 'flash' programmed at the factory, it cannot be changed. The firmware in these radios cannot be updated. The microcontroller is an OTP type. (One Time Programmable) Once 'flash' programmed at the factory, it cannot be changed. ===CTCSS Squelch Stuck On in VFO Mode===The presence of the letters "CT" in the top of the display indicates CTCSS or "tone Squelch" is active. This is a toggle that cannot be found in the HT program menu. When the radio is glitched, the OFF option which should appear in the tone select menu does not appear. Only a new tone can be selected, however, it is not possible to remove the tone when glitched. Workaround: Reset the VFO mode. #With the radio off press and hold the MENU button and power on.#On the reset menu, do NOT choose reset all, choose reset VFO You will not lose your channel memory by resetting the VFO, however, it will remove the PL tone receive. This will resolve the issue. You can set the options for the frequency and save into channel memory with no PL tone on transmit or receive. ===Receive Tone 114.8Hz Bug===To receive a station using a CTCSS tone of 114.8Hz, the Rx must be set to 118.8Hz. When Rx is set to 118.8Hz, both 114.8Hz and 118.8Hz will open the Rx squelch. ===1.25m Ham Band (222MHz)===The back story I have on this HT is that the designers had the intention of making it a tri-bander. However, on the 1.25m ham band the output was lower and emissions on the harmonic frequencies is too strong. Basically, the output on 222 is very dirty. With that being said, it does work on 222 and will allow communication on repeaters. Power output testing will be shared here... ===Usage with CHIRP version 20160215===CHIRP version 20160215 (and I assume all later versions) will read from and program to the UV-B6. From the menu select*Radio*Download From Radio*Choose VENDOR: Baofeng and MODEL: UV-B5The data will download correctly. When programming upload, the process may complete with an error, however, be advised the program will still load correctly into the radio.* [Miklor Programming Baofeng UV-B6 http://www.miklor.com/UVB5/UVB5-ProgMem.php] * [http://www.miklor.com/UVB5/UVB5-ProgMem.php Miklor Programming Baofeng UV-B6]