E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Messenger 132, the telephone style base station.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Messenger 190.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Messenger 192.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Messenger 223, the hybrid of the tube and transistor design.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Messenger 300.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Messenger 323.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Messenger 352.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Messenger 323A.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Messenger 380.
E. F. Johnson Company Product in the Field. 7" x 4 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Multi-Net Console installation.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" color photograph of an E. F. Johnson Co. radio product, a Racotek Mobile Data unit.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" color photograph of an E. F. Johnson Co. radio product, a Data Radio MRM Mobile Data Unit.
E. F. Johnson Company Product. 7 1/2" x 9 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Johnson Messenger 8585 or MN 8585 Handheld.
E. F. Johnson Company Product. 7 1/2" x 9 1/2" black and white photograph an E. F. Johnson Co. radio product, the Avenger SK Handheld.
E. F. Johnson Company Product in the Field. 7 1/2" x 6 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Avenger SK Handheld, being used in the field for communications for ambulance and emergency use; shown are two paramedics attending a victim, one getting radio instructions with the Avenger SK.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Avenger GX.
E. F. Johnson Company Product. 7 1/2" x 9 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Avenger SE.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Johnson Multi-Net 8622.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the DMR 8000 Mobile.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Avenger SI.
E. F. Johnson Company Product. 7 1/2" x 9 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Viking CR.
E. F. Johnson Company Product. 7 1/2" x 9 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Viking CX, shown with flip-up cover open to reveal keypad, retractable antenna.
E. F. Johnson Company Product. 7 1/2" x 9 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Viking CX, shown with flip-up cover closed; retractable antenna down.
E. F. Johnson Company Product. 9 1/2" x 7 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Viking LR Mobile.
E. F. Johnson Company Product. 7 1/2" x 9 1/2" black and white photograph of an E. F. Johnson Co. radio product, the Viking CK Handheld.