![British PYE 1705 Field phone](http://bat21militaria.com/cdn/shop/products/20230406_115220_{width}x.jpg?v=1680778692)
This British engineers phone was purchased in quantity by the MOD to replace the BPO 250 field test phone. It is fitted with a lead to enable use as a ring in on most BT/Cable home systems but may also work as dial out on older networks. To use as a field phone remove lead insert 3 x D cells and switch to LM mode comes with 12 months warranty