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M-820L Pendant call


Just Press the Bell button direct calling to pagers and smartphones.

The M-820L Portable transmitter is designed to directly page the nurses or health care persons with a

simple Bell button depressing. No need to dial telephone to get the helps.

And the installation is simple without any wires connections.

The operation is easy for the quick emergency aids.

Calling Nurse for helps ? simply just press the Bell  button.


It is easy to program and set up the desired pager frequency, capcode, data rate, repeat time etc. functions.

      ** Features **
  • Fast Response
  • Direct to pagers
  • Easy installation
  • Easy operation
  • No wires
  • No power cord
  • Antenna inside
  • Place on the table
  • Steal alarm for option
  • Hanging on the wall
  • Long distance
  • Frequency synthesized 303-915MHz
  • Safety pendant rope
  • Option IoT Gateway to smartphones

                   **  Specifications of M-820L **
Paging format: POCSAG
Frequency: 303-915MHz Frequency synthesized.
Baud rate 512/1200/2400 bps
Message: Alphanumeric (Max 40 Character).
RF output 1-12 mW. Programable.
Modulation: FSK ,NRZ.
Deviation: 4.5K
Stability: ±10 ppm.
Pager Capacity 1 Button.
Operating Voltage: 1x GP-23 type battery (9V)
Programming: via USB with P/C.
Battery life about 1 year ( 4 Time per day).
Case Size: 80mm X 42mm X 18mm.
Model Weight: 32 g (with battery).
Programming screen

Wireless Devices Inc. Taiwan.

Sales Department. e-mail:

Tel.(8862) 8502 0001