This DMR base station radio is a rugged, programmable two-way desktop base radio designed to operate in a professional UHF communications band. You can use this radio to communicate with DMR radios form Motorola and other brands, or the devices below in Related Items. Each radio is equipped with these features:
- Analog and DMR Digital Mode Operation. The RBS-477DMR DMR/Analog base radio can operate in Analog and DMR Digital mode within the 450-470 MHz frequency band.
- Push-button Operating Controls. The Push-To- Talk (PTT), Channel, On / Volume Up, Volume Down / Off; and the special feature P1 and P2 button controls are conveniently located on the face of the radio.
- 16 Character LCD Display. A backlit, 2-line x 8-character, LCD display will show the channel, volume, and many current operating conditions.
- 20-Channel Capability. Up to 20 channels can be programmed to contain a unique set of operating frequencies and options. Each channel can be programmed for
- Analog or DMR Digital operation; and can be given an 8-character name that will be shown on the top line of the LCD display.
- QC (Quiet Call) and DQC (Digital Quiet Call) Interference Eliminator Codes. Each Analog channel can be programmed from a list of 50 QC sub-audible or 104 DQC digital privacy codes.
- 48 DMR Contacts. The base radio can be programmed with up to 48 DMR Group or Individual contacts. Each DMR channel can be programmed to receive any number of the Group contacts, and the P1 button can be assigned any number of the Group or Individual contacts for transmit. Each DMR Contact can be given an 8-character name that will be shown on the bottom line of the LCD display when received, or when selecting with the P1 button for transmit.
- 20 DMR RX Groups. Each DMR channel can be programmed to receive any number of Group Contacts from the 48 DMR Contacts, and can therefore be considered an RX Group.
- 10 Analog Contacts. The base radio can be programmed with up to 10 Analog 2-Tone, DTMF or Selcall contacts. Each Analog channel can be assigned any number of the Analog Contacts, which are selected by the P1 button for transmit. Each Analog Contact can be given an 8-character name that will be shown on the bottom line of the LCD display when selecting with the P1 button for transmit.
- Channel Scanning. Channel Scan allows scanning of all 20 channels programmed into the radio. Each channel can be removed from the scan list through PC programming. Scan operation has many features, including Priority Scanning and Busy Channel Blocking.
- P1 Button. The P1 Button is used to select DMR Contacts for transmission on DMR channels, and to select Analog Contacts for transmission on Analog channels. The Contacts available for P1 selection are programmed on a per channel basis.
- P2 Button. The P2 Button can be programmed to initiate Channel Scan, Monitor the channel, go to the last channel that received a signal, or send a Call Tone. It can also be set to send a 2-Tone, DTMF or Selcall ANI on Analog channels, and send a DMR contact on DMR channels.
- 2-Tone, DTMF or Selcall Decode. Each Analog channel can be programmed for 2-Tone paging decode within a frequency range of 300-1500 Hz, or for a 3-9 digit DTMF or Selcall decode. Additional paging decode features include Group Call, All Call, automatic reset, and transpond alert.
- DTMF or Selcall ANI. Each Analog channel can be programmed to transmit a unique DTMF or Selcall ANI string on each transmission.
- Alert Tones. Each channel is programmable for a variety of alert tones that include RX courtesy beep, TX clear to talk beep, busy channel lockout alert, last active channel marker, and channel scanning indicator.
- Always On Operation. The radio can be set to automatically turn-on any time power is applied to the radio.
Controls and Connections
The flexible antenna radiates and receives radio signals. The antenna connects to a BNC type connector located on the top end of the radio. NOTE: The antenna included with the radio will work with VHF and UHF radios.
2 VOLUME DOWN / OFF BUTTON
Press and release the Volume Down / Off button to decrease volume. The channel display will indicate the volume level when the Volume Down / Off button is pressed. To turn Off the unit decrease the volume level to “0”, then press an additional time to turn off. The speaker will sound a double beep.
3 ON / VOLUME UP BUTTON
To turn the unit On, press and release the On / Volume Up button; the speaker will sound the Channel Beep. Once the radio is On, press and release this button to increase volume. The channel display will indicate the volume level when the On / Volume Up button is pressed.
4 PUSH-TO-TALK (PTT) BUTTON
Press and hold the PTT when transmitting; release it to receive.
5 AUDIO ACCESSORY JACK
The audio accessory jack is used to plug in earphone options and, in conjunction with the microphone jack, to connect an optional remote speaker / microphone or a single-ear or dual-ear headset.
6 MICROPHONE JACK
The microphone jack is used to connect optional external microphones and, in conjunction with the audio accessory jack, to connect an optional remote speaker / microphone, or a single-ear or dual-ear headset.
7 USB PROGRAMMING JACK
USB Mini B jack used for radio programming.
8 CHANNEL SELECTOR BUTTON
Press the Channel Selector button and the radio will advance the channel. The Channel Beep will be heard any time Channel 1 is selected.
9 P1 BUTTON - PROGRAMMABLE SOFT KEY
The P1 Button is used for selective signaling. Use the P1 button to step through DMR or Analog contacts for selective calling or control signaling.
10 P2 BUTTON - PROGRAMMABLE SOFT KEY
The P2 Button is capable of performing a variety of functions. Function options: Channel Scan, Weather Channel, Monitor, Send 2-Tone Code, Send Call Tone, Send DTMF or Selcall ANI.
11 CHANNEL DISPLAY
The 2-line x 8-character channel display will indicate the current operating channel when in standby. The display will also indicate current operating conditions such as volume, caller ID, DMR/Analog channel type, busy channel, etc.
The microphone allows your voice to be heard in transmissions to other radios. Speak in a normal tone; shouting does not improve your listeners’ reception. With an optional headset or hand mic plugged into the Microphone Jack this front panel microphone is disabled.
The speaker allows you to hear calls on your channel. With an optional headset or hand mic plugged into the Audio Accessory Jack this front panel speaker is disabled.
14 POWER CONNECTOR (TOP END OF CASE)
The power connector on the top end of the radio is used to connect power to the unit, either an external 12 VDC supply or the RPS-1B cube power supply included with the radio.