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Last modified 2021-05-07

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Lafayette HB-870 AFS

A picture of Lafayette HB-870 AFS


Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz
Channels/tuning steps: 25 (1-24 + 11A)
According to swedish law at the time, SSB was only allowed on ch 24, and
therefore, switching this radio to LSB or USB automatically changed the
channel to 24.
Mode:AM / FM / SSB
Frequency control:PLL (PLL02A)
Frequency stability:? ppm
Power supply:13.2 VDC (3-pin connector)
Current drain/power consumption:RX: Max 500 mA
TX: Max 2.8 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):210*65*250 mm (8.27*2.56*9.84")
Weight:2.2 Kg (4.85 lb)
Other features:PA. ANL/NB. Tone control. Selcall jack.

Receiver system: Double conversion superheterodyne
1st IF: 10.7 MHz
2nd IF: 455 KHz - Ceramic filter: Kyocera F455R 7A
Sensitivity:AM/FM: 0.5 uV (No reference)
SSB: 0.2 uV (No reference)
Image rejection:
AF output power/speaker:3 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm

RF output power: AM/FM Hi: 3.5 W, Lo: <1 W
SSB Hi: 15 W (PEP input), Lo: <5 W
Modulation system:
FM deviation:1.5 to 2 KHz
Spurious emissions:Less than -? dB
Microphone impedance/connector:? ohm / 4-pin (Metal locking ring connector)

Manufactured:Japan, 198x-198x (Discontinued)
Main PCB: PTBM121D4X by Cybernet Electronics Corporation
Double sided. Through-hole components
Sub PCBs: PTLD090AOX - LED display and indicators board
PTSW145AOX - Channel selector board
Additional info:New price 1983 in Sweden: SEK 2445:-
Related documents:
Sams Photofact #:None
Modifications and fixes:
External 2-tone selcall unit
External 5-tone CCIR selcall unit